2152507439 has 8 divisors (see below), whose sum is σ = 2158827600. Its totient is φ = 2146196736.

The previous prime is 2152507429. The next prime is 2152507471. The reversal of 2152507439 is 9347052512.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2152507439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152507429) 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, 808799 + ... + 811455.

It is an arithmetic number, because the mean of its divisors is an integer number (269853450).

Almost surely, 2^2152507439 is an apocalyptic number.

2152507439 is a deficient number, since it is larger than the sum of its proper divisors (6320161).

2152507439 is a wasteful number, since it uses less digits than its factorization.

2152507439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4729.

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 2152507439 is about 46395.1230087819. The cubic root of 2152507439 is about 1291.1644312417.

The spelling of 2152507439 in words is "two billion, one hundred fifty-two million, five hundred seven thousand, four hundred thirty-nine".