253609574399 has 4 divisors (see below), whose sum is σ = 253610866080. Its totient is φ = 253608282720.

The previous prime is 253609574371. The next prime is 253609574447. The reversal of 253609574399 is 993475906352.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 253609574399 - 2¹² = 253609570303 is a prime.

It is a super-2 number, since 2×253609574399² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253609571399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283607 + ... + 766584.

It is an arithmetic number, because the mean of its divisors is an integer number (63402716520).

Almost surely, 2^253609574399 is an apocalyptic number.

253609574399 is a deficient number, since it is larger than the sum of its proper divisors (1291681).

253609574399 is a wasteful number, since it uses less digits than its factorization.

253609574399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291680.

The product of its (nonzero) digits is 55112400, while the sum is 62.

The spelling of 253609574399 in words is "two hundred fifty-three billion, six hundred nine million, five hundred seventy-four thousand, three hundred ninety-nine".