2152338749 has 8 divisors (see below), whose sum is σ = 2363557440. Its totient is φ = 1943712000.

The previous prime is 2152338739. The next prime is 2152338757. The reversal of 2152338749 is 9478332512.

It is a happy number.

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 2152338749 - 2²⁰ = 2151290173 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 (2152338719) 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, 646244 + ... + 649565.

It is an arithmetic number, because the mean of its divisors is an integer number (295444680).

Almost surely, 2^2152338749 is an apocalyptic number.

It is an amenable number.

2152338749 is a deficient number, since it is larger than the sum of its proper divisors (211218691).

2152338749 is a wasteful number, since it uses less digits than its factorization.

2152338749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1295971.

The product of its digits is 362880, while the sum is 44.

The square root of 2152338749 is about 46393.3050019073. The cubic root of 2152338749 is about 1291.1307012432.

The spelling of 2152338749 in words is "two billion, one hundred fifty-two million, three hundred thirty-eight thousand, seven hundred forty-nine".