70522856431 has 4 divisors (see below), whose sum is σ = 70523871264. Its totient is φ = 70521841600.

The previous prime is 70522856419. The next prime is 70522856483. The reversal of 70522856431 is 13465822507.

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

It is a cyclic number.

It is not a de Polignac number, because 70522856431 - 2⁵ = 70522856399 is a prime.

It is a super-2 number, since 2×70522856431² (a number of 22 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 (70522856401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 394855 + ... + 544936.

It is an arithmetic number, because the mean of its divisors is an integer number (17630967816).

Almost surely, 2^70522856431 is an apocalyptic number.

70522856431 is a deficient number, since it is larger than the sum of its proper divisors (1014833).

70522856431 is an equidigital number, since it uses as much as digits as its factorization.

70522856431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1014832.

The product of its (nonzero) digits is 403200, while the sum is 43.

The spelling of 70522856431 in words is "seventy billion, five hundred twenty-two million, eight hundred fifty-six thousand, four hundred thirty-one".