2339761921 has 16 divisors (see below), whose sum is σ = 2763624448. Its totient is φ = 1938459600.

The previous prime is 2339761861. The next prime is 2339761951. The reversal of 2339761921 is 1291679332.

It is not a de Polignac number, because 2339761921 - 2²⁹ = 1802891009 is a prime.

It is a super-2 number, since 2×2339761921² = 10948971693923220482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2339761951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185506 + ... + 197716.

It is an arithmetic number, because the mean of its divisors is an integer number (172726528).

Almost surely, 2^2339761921 is an apocalyptic number.

It is an amenable number.

2339761921 is a deficient number, since it is larger than the sum of its proper divisors (423862527).

2339761921 is a wasteful number, since it uses less digits than its factorization.

2339761921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13132.

The product of its digits is 122472, while the sum is 43.

The square root of 2339761921 is about 48371.0855883967. The cubic root of 2339761921 is about 1327.5693675057.

The spelling of 2339761921 in words is "two billion, three hundred thirty-nine million, seven hundred sixty-one thousand, nine hundred twenty-one".