2154707577654 has 32 divisors (see below), whose sum is σ = 4353993047040. Its totient is φ = 710806724352.

The previous prime is 2154707577647. The next prime is 2154707577683. The reversal of 2154707577654 is 4567757074512.

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, 25439427 + ... + 25523985.

It is an arithmetic number, because the mean of its divisors is an integer number (136062282720).

Almost surely, 2^{2154707577654} is an apocalyptic number.

2154707577654 is an abundant number, since it is smaller than the sum of its proper divisors (2199285469386).

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

2154707577654 is a wasteful number, since it uses less digits than its factorization.

2154707577654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128444.

The product of its (nonzero) digits is 57624000, while the sum is 60.

The spelling of 2154707577654 in words is "two trillion, one hundred fifty-four billion, seven hundred seven million, five hundred seventy-seven thousand, six hundred fifty-four".