2152438403 has 8 divisors (see below), whose sum is σ = 2162443200. Its totient is φ = 2142457128.

The previous prime is 2152438397. The next prime is 2152438423. The reversal of 2152438403 is 3048342512.

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 2152438403 - 2¹² = 2152434307 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2152438403.

It is not an unprimeable number, because it can be changed into a prime (2152438423) 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, 192788 + ... + 203646.

It is an arithmetic number, because the mean of its divisors is an integer number (270305400).

Almost surely, 2^2152438403 is an apocalyptic number.

2152438403 is a deficient number, since it is larger than the sum of its proper divisors (10004797).

2152438403 is a wasteful number, since it uses less digits than its factorization.

2152438403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11761.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 2152438403 is about 46394.3790022024. The cubic root of 2152438403 is about 1291.1506275293.

The spelling of 2152438403 in words is "two billion, one hundred fifty-two million, four hundred thirty-eight thousand, four hundred three".