944163975 has 12 divisors (see below), whose sum is σ = 1561017896. Its totient is φ = 503554080.

The previous prime is 944163973. The next prime is 944164027. The reversal of 944163975 is 579361449.

It is not a de Polignac number, because 944163975 - 2¹ = 944163973 is a prime.

It is a super-2 number, since 2×944163975² = 1782891223375601250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (944163973) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6294352 + ... + 6294501.

Almost surely, 2^944163975 is an apocalyptic number.

944163975 is a deficient number, since it is larger than the sum of its proper divisors (616853921).

944163975 is a wasteful number, since it uses less digits than its factorization.

944163975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12588866 (or 12588861 counting only the distinct ones).

The product of its digits is 816480, while the sum is 48.

The square root of 944163975 is about 30727.2513414396. The cubic root of 944163975 is about 981.0304221514.

The spelling of 944163975 in words is "nine hundred forty-four million, one hundred sixty-three thousand, nine hundred seventy-five".