94913013313561 has 3 divisors (see below), whose sum is σ = 94913023055893. Its totient is φ = 94913003571230.

The previous prime is 94913013313511. The next prime is 94913013313571. The reversal of 94913013313561 is 16531331031949.

The square root of 94913013313561 is 9742331.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 94913013313561 - 2⁹ = 94913013313049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (94913013313511) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 4871166 + ... + 14613496.

Almost surely, 2^{94913013313561} is an apocalyptic number.

94913013313561 is the 9742331-st square number.

94913013313561 is the 4871166-th centered octagonal number.

It is an amenable number.

94913013313561 is a deficient number, since it is larger than the sum of its proper divisors (9742332).

94913013313561 is an frugal number, since it uses more digits than its factorization.

94913013313561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19484662 (or 9742331 counting only the distinct ones).

The product of its (nonzero) digits is 787320, while the sum is 49.

The spelling of 94913013313561 in words is "ninety-four trillion, nine hundred thirteen billion, thirteen million, three hundred thirteen thousand, five hundred sixty-one".