70711959013 has 4 divisors (see below), whose sum is σ = 70718598720. Its totient is φ = 70705319308.

The previous prime is 70711959011. The next prime is 70711959061. The reversal of 70711959013 is 31095911707.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 70711959013 - 2¹ = 70711959011 is a prime.

It is a super-2 number, since 2×70711959013² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70711959011) 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, 3303853 + ... + 3325186.

It is an arithmetic number, because the mean of its divisors is an integer number (17679649680).

Almost surely, 2^70711959013 is an apocalyptic number.

It is an amenable number.

70711959013 is a deficient number, since it is larger than the sum of its proper divisors (6639707).

70711959013 is a wasteful number, since it uses less digits than its factorization.

70711959013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6639706.

The product of its (nonzero) digits is 59535, while the sum is 43.

The spelling of 70711959013 in words is "seventy billion, seven hundred eleven million, nine hundred fifty-nine thousand, thirteen".