961570232990 has 32 divisors (see below), whose sum is σ = 1768686506496. Its totient is φ = 376304724000.

The previous prime is 961570232971. The next prime is 961570233031. The reversal of 961570232990 is 99232075169.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 5538386 + ... + 5709365.

It is an arithmetic number, because the mean of its divisors is an integer number (55271453328).

Almost surely, 2^961570232990 is an apocalyptic number.

961570232990 is a deficient number, since it is larger than the sum of its proper divisors (807116273506).

961570232990 is a wasteful number, since it uses less digits than its factorization.

961570232990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11247944.

The product of its (nonzero) digits is 1837080, while the sum is 53.

The spelling of 961570232990 in words is "nine hundred sixty-one billion, five hundred seventy million, two hundred thirty-two thousand, nine hundred ninety".