70609542804864 has 256 divisors, whose sum is σ = 238400918208000. Its totient is φ = 20154350057472.

The previous prime is 70609542804821. The next prime is 70609542804923. The reversal of 70609542804864 is 46840824590607.

70609542804864 is a `hidden beast` number, since 7 + 0 + 6 + 0 + 9 + 542 + 8 + 0 + 4 + 86 + 4 = 666.

It is a super-2 number, since 2×70609542804864² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23219502 + ... + 26083794.

It is an arithmetic number, because the mean of its divisors is an integer number (931253586750).

Almost surely, 2^{70609542804864} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70609542804864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119200459104000).

70609542804864 is an abundant number, since it is smaller than the sum of its proper divisors (167791375403136).

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

70609542804864 is a wasteful number, since it uses less digits than its factorization.

70609542804864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2865342 (or 2865324 counting only the distinct ones).

The product of its (nonzero) digits is 92897280, while the sum is 63.

The spelling of 70609542804864 in words is "seventy trillion, six hundred nine billion, five hundred forty-two million, eight hundred four thousand, eight hundred sixty-four".