70839869416 has 16 divisors (see below), whose sum is σ = 132827762340. Its totient is φ = 35419132800.

The previous prime is 70839869411. The next prime is 70839869417. The reversal of 70839869416 is 61496893807.

It can be written as a sum of positive squares in 2 ways, for example, as 64480444900 + 6359424516 = 253930^2 + 79746^2 .

It is not an unprimeable number, because it can be changed into a prime (70839869411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 458220 + ... + 592996.

Almost surely, 2^70839869416 is an apocalyptic number.

It is an amenable number.

70839869416 is a deficient number, since it is larger than the sum of its proper divisors (61987892924).

70839869416 is a wasteful number, since it uses less digits than its factorization.

70839869416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200484 (or 200480 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 61.

The spelling of 70839869416 in words is "seventy billion, eight hundred thirty-nine million, eight hundred sixty-nine thousand, four hundred sixteen".