2154566013 has 8 divisors (see below), whose sum is σ = 2885637888. Its totient is φ = 1429935744.

The previous prime is 2154565993. The next prime is 2154566021. The reversal of 2154566013 is 3106654512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2154566013 - 2¹⁷ = 2154434941 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2154566083) 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, 1609620 + ... + 1610957.

It is an arithmetic number, because the mean of its divisors is an integer number (360704736).

Almost surely, 2^2154566013 is an apocalyptic number.

It is an amenable number.

2154566013 is a deficient number, since it is larger than the sum of its proper divisors (731071875).

2154566013 is a wasteful number, since it uses less digits than its factorization.

2154566013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3220803.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 2154566013 is about 46417.3029483618. The cubic root of 2154566013 is about 1291.5759064987.

The spelling of 2154566013 in words is "two billion, one hundred fifty-four million, five hundred sixty-six thousand, thirteen".