974044641969 has 27 divisors (see below), whose sum is σ = 1636694870187. Its totient is φ = 556585095024.

The previous prime is 974044641961. The next prime is 974044642009. The reversal of 974044641969 is 969146440479.

The square root of 974044641969 is 986937.

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

974044641969 is a `hidden beast` number, since 97 + 4 + 0 + 446 + 41 + 9 + 69 = 666.

It can be written as a sum of positive squares in only one way, i.e., 457388453025 + 516656188944 = 676305^2 + 718788^2 .

It is not a de Polignac number, because 974044641969 - 2³ = 974044641961 is a prime.

It is a super-2 number, since 2×974044641969² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (974044641961) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 20702179 + ... + 20749175.

Almost surely, 2^974044641969 is an apocalyptic number.

974044641969 is the 986937-th square number.

974044641969 is the 493469-th centered octagonal number.

It is an amenable number.

974044641969 is a deficient number, since it is larger than the sum of its proper divisors (662650228218).

974044641969 is an frugal number, since it uses more digits than its factorization.

974044641969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94014 (or 47007 counting only the distinct ones).

The product of its (nonzero) digits is 47029248, while the sum is 63.

The spelling of 974044641969 in words is "nine hundred seventy-four billion, forty-four million, six hundred forty-one thousand, nine hundred sixty-nine".