2251633610454 has 32 divisors (see below), whose sum is σ = 4700035528704. Its totient is φ = 717763347840.

The previous prime is 2251633610441. The next prime is 2251633610549. The reversal of 2251633610454 is 4540163361522.

It is a super-2 number, since 2×2251633610454² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1022019 + ... + 2355374.

It is an arithmetic number, because the mean of its divisors is an integer number (146876110272).

Almost surely, 2^{2251633610454} is an apocalyptic number.

2251633610454 is an abundant number, since it is smaller than the sum of its proper divisors (2448401918250).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2251633610454 is a wasteful number, since it uses less digits than its factorization.

2251633610454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3382252.

The product of its (nonzero) digits is 518400, while the sum is 42.

Adding to 2251633610454 its reverse (4540163361522), we get a palindrome (6791796971976).

The spelling of 2251633610454 in words is "two trillion, two hundred fifty-one billion, six hundred thirty-three million, six hundred ten thousand, four hundred fifty-four".