2153921339 has 8 divisors (see below), whose sum is σ = 2267712000. Its totient is φ = 2040173352.

The previous prime is 2153921327. The next prime is 2153921387. The reversal of 2153921339 is 9331293512.

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

It is a cyclic number.

It is not a de Polignac number, because 2153921339 - 2²⁸ = 1885485883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2153621339) 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, 187442 + ... + 198600.

It is an arithmetic number, because the mean of its divisors is an integer number (283464000).

Almost surely, 2^2153921339 is an apocalyptic number.

2153921339 is a deficient number, since it is larger than the sum of its proper divisors (113790661).

2153921339 is a wasteful number, since it uses less digits than its factorization.

2153921339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21337.

The product of its digits is 43740, while the sum is 38.

The square root of 2153921339 is about 46410.3581003207. The cubic root of 2153921339 is about 1291.4470749134.

The spelling of 2153921339 in words is "two billion, one hundred fifty-three million, nine hundred twenty-one thousand, three hundred thirty-nine".