70959902690 has 16 divisors (see below), whose sum is σ = 127730937528. Its totient is φ = 28383269376.

The previous prime is 70959902677. The next prime is 70959902719. The reversal of 70959902690 is 9620995907.

It is a Cunningham number, because it is equal to 266383²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 25545309241 + 45414593449 = 159829^2 + 213107^2 .

It is a super-2 number, since 2×70959902690² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 616754 + ... + 722706.

Almost surely, 2^70959902690 is an apocalyptic number.

70959902690 is a deficient number, since it is larger than the sum of its proper divisors (56771034838).

70959902690 is a wasteful number, since it uses less digits than its factorization.

70959902690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172933.

The product of its (nonzero) digits is 2755620, while the sum is 56.

The spelling of 70959902690 in words is "seventy billion, nine hundred fifty-nine million, nine hundred two thousand, six hundred ninety".