70921986522 has 32 divisors (see below), whose sum is σ = 142699995648. Its totient is φ = 23498319936.

The previous prime is 70921986463. The next prime is 70921986523. The reversal of 70921986522 is 22568912907.

It is not an unprimeable number, because it can be changed into a prime (70921986523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 833128 + ... + 914300.

It is an arithmetic number, because the mean of its divisors is an integer number (4459374864).

Almost surely, 2^70921986522 is an apocalyptic number.

70921986522 is an abundant number, since it is smaller than the sum of its proper divisors (71778009126).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70921986522 is a wasteful number, since it uses less digits than its factorization.

70921986522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82054.

The product of its (nonzero) digits is 1088640, while the sum is 51.

The spelling of 70921986522 in words is "seventy billion, nine hundred twenty-one million, nine hundred eighty-six thousand, five hundred twenty-two".