254553236431 has 4 divisors (see below), whose sum is σ = 274134254632. Its totient is φ = 234972218232.

The previous prime is 254553236381. The next prime is 254553236489. The reversal of 254553236431 is 134632355452.

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 254553236431 - 2³³ = 245963301839 is a prime.

It is a super-2 number, since 2×254553236431² (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 (254553236491) 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, 9790509081 + ... + 9790509106.

It is an arithmetic number, because the mean of its divisors is an integer number (68533563658).

Almost surely, 2^254553236431 is an apocalyptic number.

254553236431 is a deficient number, since it is larger than the sum of its proper divisors (19581018201).

254553236431 is a wasteful number, since it uses less digits than its factorization.

254553236431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19581018200.

The product of its digits is 1296000, while the sum is 43.

The spelling of 254553236431 in words is "two hundred fifty-four billion, five hundred fifty-three million, two hundred thirty-six thousand, four hundred thirty-one".