2150553231654 has 16 divisors (see below), whose sum is σ = 4343691677040. Its totient is φ = 709753541600.

The previous prime is 2150553231653. The next prime is 2150553231707. The reversal of 2150553231654 is 4561323550512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2150553231653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1774383249 + ... + 1774384460.

It is an arithmetic number, because the mean of its divisors is an integer number (271480729815).

Almost surely, 2^{2150553231654} is an apocalyptic number.

2150553231654 is an abundant number, since it is smaller than the sum of its proper divisors (2193138445386).

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

2150553231654 is a wasteful number, since it uses less digits than its factorization.

2150553231654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3548767815.

The product of its (nonzero) digits is 540000, while the sum is 42.

The spelling of 2150553231654 in words is "two trillion, one hundred fifty billion, five hundred fifty-three million, two hundred thirty-one thousand, six hundred fifty-four".