2554144454631 has 128 divisors (see below), whose sum is σ = 4617802874880. Its totient is φ = 1216267747200.

The previous prime is 2554144454627. The next prime is 2554144454713. The reversal of 2554144454631 is 1364544414552.

It is not a de Polignac number, because 2554144454631 - 2² = 2554144454627 is a prime.

It is a super-2 number, since 2×2554144454631² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2554144452631) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 16889130 + ... + 17039688.

It is an arithmetic number, because the mean of its divisors is an integer number (36076584960).

Almost surely, 2^{2554144454631} is an apocalyptic number.

2554144454631 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2554144454631 is a deficient number, since it is larger than the sum of its proper divisors (2063658420249).

2554144454631 is a wasteful number, since it uses less digits than its factorization.

2554144454631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150737.

The product of its digits is 4608000, while the sum is 48.

The spelling of 2554144454631 in words is "two trillion, five hundred fifty-four billion, one hundred forty-four million, four hundred fifty-four thousand, six hundred thirty-one".