970918563904 has 21 divisors (see below), whose sum is σ = 1926682167837. Its totient is φ = 485455340544.

The previous prime is 970918563889. The next prime is 970918563947. The reversal of 970918563904 is 409365819079.

The square root of 970918563904 is 985352.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 746924605504 + 223993958400 = 864248^2 + 473280^2 .

It is a Duffinian number.

It is an unprimeable number.

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 2 ways as a sum of consecutive naturals, for example, 7821232 + ... + 7944400.

It is an arithmetic number, because the mean of its divisors is an integer number (91746769897).

Almost surely, 2^970918563904 is an apocalyptic number.

970918563904 is the 985352-nd square number.

It is an amenable number.

970918563904 is a deficient number, since it is larger than the sum of its proper divisors (955763603933).

970918563904 is an frugal number, since it uses more digits than its factorization.

970918563904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246350 (or 123171 counting only the distinct ones).

The product of its (nonzero) digits is 14696640, while the sum is 61.

The spelling of 970918563904 in words is "nine hundred seventy billion, nine hundred eighteen million, five hundred sixty-three thousand, nine hundred four".