94450972150921 has 9 divisors (see below), whose sum is σ = 94586146579533. Its totient is φ = 94315990668300.

The previous prime is 94450972150907. The next prime is 94450972150943. The reversal of 94450972150921 is 12905127905449.

The square root of 94450972150921 is 9718589.

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

It is not a de Polignac number, because 94450972150921 - 2⁵ = 94450972150889 is a prime.

It is a super-2 number, since 2×94450972150921² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (94450972150421) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 7182030696 + ... + 7182043846.

Almost surely, 2^{94450972150921} is an apocalyptic number.

94450972150921 is the 9718589-th square number.

94450972150921 is the 4859295-th centered octagonal number.

It is an amenable number.

94450972150921 is a deficient number, since it is larger than the sum of its proper divisors (135174428612).

94450972150921 is an frugal number, since it uses more digits than its factorization.

94450972150921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27780 (or 13890 counting only the distinct ones).

The product of its (nonzero) digits is 8164800, while the sum is 58.

The spelling of 94450972150921 in words is "ninety-four trillion, four hundred fifty billion, nine hundred seventy-two million, one hundred fifty thousand, nine hundred twenty-one".