65070570256 has 10 divisors (see below), whose sum is σ = 126074229902. Its totient is φ = 32535285120.

The previous prime is 65070570233. The next prime is 65070570269. The reversal of 65070570256 is 65207507056.

It can be written as a sum of positive squares in only one way, i.e., 63915929856 + 1154640400 = 252816^2 + 33980^2 .

It is a super-2 number, since 2×65070570256² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2033455305 + ... + 2033455336.

Almost surely, 2^65070570256 is an apocalyptic number.

It is an amenable number.

65070570256 is a deficient number, since it is larger than the sum of its proper divisors (61003659646).

65070570256 is a wasteful number, since it uses less digits than its factorization.

65070570256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4066910649 (or 4066910643 counting only the distinct ones).

The product of its (nonzero) digits is 441000, while the sum is 43.

The spelling of 65070570256 in words is "sixty-five billion, seventy million, five hundred seventy thousand, two hundred fifty-six".