253415450043513 has 16 divisors (see below), whose sum is σ = 375432283053760. Its totient is φ = 168942739350528.

The previous prime is 253415450043421. The next prime is 253415450043521. The reversal of 253415450043513 is 315340054514352.

253415450043513 is a `hidden beast` number, since 2 + 5 + 3 + 4 + 1 + 54 + 500 + 43 + 51 + 3 = 666.

It is not a de Polignac number, because 253415450043513 - 2¹⁷ = 253415449912441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253415450043583) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19616995 + ... + 29860632.

It is an arithmetic number, because the mean of its divisors is an integer number (23464517690860).

Almost surely, 2^{253415450043513} is an apocalyptic number.

It is an amenable number.

253415450043513 is a deficient number, since it is larger than the sum of its proper divisors (122016833010247).

253415450043513 is a wasteful number, since it uses less digits than its factorization.

253415450043513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49667333 (or 49667327 counting only the distinct ones).

The product of its (nonzero) digits is 2160000, while the sum is 45.

The spelling of 253415450043513 in words is "two hundred fifty-three trillion, four hundred fifteen billion, four hundred fifty million, forty-three thousand, five hundred thirteen".