69814850997 has 16 divisors (see below), whose sum is σ = 98844580800. Its totient is φ = 43679868672.

The previous prime is 69814850993. The next prime is 69814850999. The reversal of 69814850997 is 79905841896.

It is not a de Polignac number, because 69814850997 - 2² = 69814850993 is a prime.

It is a super-2 number, since 2×69814850997² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69814850993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1943403 + ... + 1979000.

It is an arithmetic number, because the mean of its divisors is an integer number (6177786300).

Almost surely, 2^69814850997 is an apocalyptic number.

It is an amenable number.

69814850997 is a deficient number, since it is larger than the sum of its proper divisors (29029729803).

69814850997 is a wasteful number, since it uses less digits than its factorization.

69814850997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3922772.

The product of its (nonzero) digits is 39191040, while the sum is 66.

The spelling of 69814850997 in words is "sixty-nine billion, eight hundred fourteen million, eight hundred fifty thousand, nine hundred ninety-seven".