253463363553 has 16 divisors (see below), whose sum is σ = 345617452800. Its totient is φ = 165184780800.

The previous prime is 253463363521. The next prime is 253463363579. The reversal of 253463363553 is 355363364352.

It is not a de Polignac number, because 253463363553 - 2⁵ = 253463363521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (253463363953) 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, 5270448 + ... + 5318321.

It is an arithmetic number, because the mean of its divisors is an integer number (21601090800).

Almost surely, 2^253463363553 is an apocalyptic number.

It is an amenable number.

253463363553 is a deficient number, since it is larger than the sum of its proper divisors (92154089247).

253463363553 is a wasteful number, since it uses less digits than its factorization.

253463363553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10588952.

The product of its digits is 8748000, while the sum is 48.

The spelling of 253463363553 in words is "two hundred fifty-three billion, four hundred sixty-three million, three hundred sixty-three thousand, five hundred fifty-three".