2139446553 has 8 divisors (see below), whose sum is σ = 2918935008. Its totient is φ = 1393127904.

The previous prime is 2139446521. The next prime is 2139446563. The reversal of 2139446553 is 3556449312.

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

It is not a de Polignac number, because 2139446553 - 2⁵ = 2139446521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2139446513) 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, 8292300 + ... + 8292557.

It is an arithmetic number, because the mean of its divisors is an integer number (364866876).

Almost surely, 2^2139446553 is an apocalyptic number.

It is an amenable number.

2139446553 is a deficient number, since it is larger than the sum of its proper divisors (779488455).

2139446553 is a wasteful number, since it uses less digits than its factorization.

2139446553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16584903.

The product of its digits is 388800, while the sum is 42.

The square root of 2139446553 is about 46254.1517379792. The cubic root of 2139446553 is about 1288.5476419491.

The spelling of 2139446553 in words is "two billion, one hundred thirty-nine million, four hundred forty-six thousand, five hundred fifty-three".