315094736889 has 9 divisors (see below), whose sum is σ = 455139274629. Its totient is φ = 210062035260.

The previous prime is 315094736849. The next prime is 315094736923. The reversal of 315094736889 is 988637490513.

The square root of 315094736889 is 561333.

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

315094736889 is a `hidden beast` number, since 3 + 1 + 509 + 47 + 3 + 6 + 8 + 89 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 315094736889 - 2¹¹ = 315094734841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (315094736809) 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, 1590444 + ... + 1777554.

Almost surely, 2^315094736889 is an apocalyptic number.

315094736889 is the 561333-rd square number.

315094736889 is the 280667-th centered octagonal number.

It is an amenable number.

315094736889 is a deficient number, since it is larger than the sum of its proper divisors (140044537740).

315094736889 is an frugal number, since it uses more digits than its factorization.

315094736889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374228 (or 187114 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 63.

The spelling of 315094736889 in words is "three hundred fifteen billion, ninety-four million, seven hundred thirty-six thousand, eight hundred eighty-nine".