69719961623104 has 63 divisors (see below), whose sum is σ = 149813407031337. Its totient is φ = 32178043033344.

The previous prime is 69719961623101. The next prime is 69719961623153. The reversal of 69719961623104 is 40132616991796.

The square root of 69719961623104 is 8349848.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 10313603790400 + 59406357832704 = 3211480^2 + 7707552^2 .

It is a super-2 number, since 2×69719961623104² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69719961623101) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 868344049 + ... + 868424335.

It is an arithmetic number, because the mean of its divisors is an integer number (2377990587799).

Almost surely, 2^{69719961623104} is an apocalyptic number.

69719961623104 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

69719961623104 is the 8349848-th square number.

It is an amenable number.

69719961623104 is an abundant number, since it is smaller than the sum of its proper divisors (80093445408233).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

69719961623104 is an frugal number, since it uses more digits than its factorization.

69719961623104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160612 (or 80302 counting only the distinct ones).

The product of its (nonzero) digits is 26453952, while the sum is 64.

69719961623104 divided by its sum of digits (64) gives a square (1089374400361 = 1043731²).

The spelling of 69719961623104 in words is "sixty-nine trillion, seven hundred nineteen billion, nine hundred sixty-one million, six hundred twenty-three thousand, one hundred four".