252754309899 has 112 divisors (see below), whose sum is σ = 466992556800. Its totient is φ = 133154497728.

The previous prime is 252754309861. The next prime is 252754309933. The reversal of 252754309899 is 998903457252.

252754309899 is a `hidden beast` number, since 2 + 5 + 2 + 7 + 543 + 0 + 9 + 89 + 9 = 666.

It is not a de Polignac number, because 252754309899 - 2¹² = 252754305803 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (252754309799) by changing a digit.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 67597572 + ... + 67601310.

It is an arithmetic number, because the mean of its divisors is an integer number (4169576400).

Almost surely, 2^252754309899 is an apocalyptic number.

252754309899 is a deficient number, since it is larger than the sum of its proper divisors (214238246901).

252754309899 is a wasteful number, since it uses less digits than its factorization.

252754309899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4796 (or 4781 counting only the distinct ones).

The product of its (nonzero) digits is 48988800, while the sum is 63.

The spelling of 252754309899 in words is "two hundred fifty-two billion, seven hundred fifty-four million, three hundred nine thousand, eight hundred ninety-nine".