70268918864 has 10 divisors (see below), whose sum is σ = 136146030330. Its totient is φ = 35134459424.

The previous prime is 70268918849. The next prime is 70268918897. The reversal of 70268918864 is 46881986207.

It can be written as a sum of positive squares in only one way, i.e., 51883728400 + 18385190464 = 227780^2 + 135592^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2195903699 + ... + 2195903730.

It is an arithmetic number, because the mean of its divisors is an integer number (13614603033).

Almost surely, 2^70268918864 is an apocalyptic number.

It is an amenable number.

70268918864 is a deficient number, since it is larger than the sum of its proper divisors (65877111466).

70268918864 is a wasteful number, since it uses less digits than its factorization.

70268918864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4391807437 (or 4391807431 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 59.

The spelling of 70268918864 in words is "seventy billion, two hundred sixty-eight million, nine hundred eighteen thousand, eight hundred sixty-four".