2154313626 has 16 divisors (see below), whose sum is σ = 4312377984. Its totient is φ = 717479424.

The previous prime is 2154313621. The next prime is 2154313657. The reversal of 2154313626 is 6263134512.

It is not an unprimeable number, because it can be changed into a prime (2154313621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148786 + ... + 162621.

It is an arithmetic number, because the mean of its divisors is an integer number (269523624).

Almost surely, 2^2154313626 is an apocalyptic number.

2154313626 is an abundant number, since it is smaller than the sum of its proper divisors (2158064358).

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

2154313626 is a wasteful number, since it uses less digits than its factorization.

2154313626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312565.

The product of its digits is 25920, while the sum is 33.

The square root of 2154313626 is about 46414.5841950566. The cubic root of 2154313626 is about 1291.5254725683.

The spelling of 2154313626 in words is "two billion, one hundred fifty-four million, three hundred thirteen thousand, six hundred twenty-six".