70959436851 has 4 divisors (see below), whose sum is σ = 94612582472. Its totient is φ = 47306291232.

The previous prime is 70959436841. The next prime is 70959436859. The reversal of 70959436851 is 15863495907.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 70959436851 - 2²⁷ = 70825219123 is a prime.

It is a super-2 number, since 2×70959436851² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70959436791 and 70959436800.

It is not an unprimeable number, because it can be changed into a prime (70959436859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11826572806 + ... + 11826572811.

It is an arithmetic number, because the mean of its divisors is an integer number (23653145618).

Almost surely, 2^70959436851 is an apocalyptic number.

70959436851 is a deficient number, since it is larger than the sum of its proper divisors (23653145621).

70959436851 is a wasteful number, since it uses less digits than its factorization.

70959436851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23653145620.

The product of its (nonzero) digits is 8164800, while the sum is 57.

The spelling of 70959436851 in words is "seventy billion, nine hundred fifty-nine million, four hundred thirty-six thousand, eight hundred fifty-one".