70985736265 has 12 divisors (see below), whose sum is σ = 90488393676. Its totient is φ = 53448082688.

The previous prime is 70985736253. The next prime is 70985736293. The reversal of 70985736265 is 56263758907.

It can be written as a sum of positive squares in 6 ways, for example, as 10589233216 + 60396503049 = 102904^2 + 245757^2 .

It is not a de Polignac number, because 70985736265 - 2⁵ = 70985736233 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24561094 + ... + 24563983.

It is an arithmetic number, because the mean of its divisors is an integer number (7540699473).

Almost surely, 2^70985736265 is an apocalyptic number.

It is an amenable number.

70985736265 is a deficient number, since it is larger than the sum of its proper divisors (19502657411).

70985736265 is a wasteful number, since it uses less digits than its factorization.

70985736265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49125116 (or 49125099 counting only the distinct ones).

The product of its (nonzero) digits is 19051200, while the sum is 58.

The spelling of 70985736265 in words is "seventy billion, nine hundred eighty-five million, seven hundred thirty-six thousand, two hundred sixty-five".