94655290921 has 15 divisors (see below), whose sum is σ = 98992913591. Its totient is φ = 90504021048.

The previous prime is 94655290903. The next prime is 94655290927. The reversal of 94655290921 is 12909255649.

The square root of 94655290921 is 307661.

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., 49634938521 + 45020352400 = 222789^2 + 212180^2 .

It is not a de Polignac number, because 94655290921 - 2³³ = 86065356329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (94655290927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 918983356 + ... + 918983458.

Almost surely, 2^94655290921 is an apocalyptic number.

94655290921 is the 307661-st square number.

94655290921 is the 153831-st centered octagonal number.

It is an amenable number.

94655290921 is a deficient number, since it is larger than the sum of its proper divisors (4337622670).

94655290921 is an frugal number, since it uses more digits than its factorization.

94655290921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470 (or 132 counting only the distinct ones).

The product of its (nonzero) digits is 1749600, while the sum is 52.

The spelling of 94655290921 in words is "ninety-four billion, six hundred fifty-five million, two hundred ninety thousand, nine hundred twenty-one".