70439502465 has 96 divisors (see below), whose sum is σ = 140471884800. Its totient is φ = 32416174080.

The previous prime is 70439502439. The next prime is 70439502467. The reversal of 70439502465 is 56420593407.

70439502465 is a `hidden beast` number, since 70 + 4 + 39 + 502 + 46 + 5 = 666.

It is not a de Polignac number, because 70439502465 - 2⁵ = 70439502433 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 70439502465.

It is not an unprimeable number, because it can be changed into a prime (70439502467) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 372421 + ... + 528749.

It is an arithmetic number, because the mean of its divisors is an integer number (1463248800).

Almost surely, 2^70439502465 is an apocalyptic number.

It is an amenable number.

70439502465 is a deficient number, since it is larger than the sum of its proper divisors (70032382335).

70439502465 is a wasteful number, since it uses less digits than its factorization.

70439502465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156407 (or 156404 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The spelling of 70439502465 in words is "seventy billion, four hundred thirty-nine million, five hundred two thousand, four hundred sixty-five".