2413391921 has 2 divisors, whose sum is σ = 2413391922. Its totient is φ = 2413391920.

The previous prime is 2413391891. The next prime is 2413391947. The reversal of 2413391921 is 1291933142.

2413391921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1232782321 + 1180609600 = 35111^2 + 34360^2 .

It is a cyclic number.

It is not a de Polignac number, because 2413391921 - 2²⁶ = 2346283057 is a prime.

It is not a weakly prime, because it can be changed into another prime (2413391971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1206695960 + 1206695961.

It is an arithmetic number, because the mean of its divisors is an integer number (1206695961).

Almost surely, 2^2413391921 is an apocalyptic number.

It is an amenable number.

2413391921 is a deficient number, since it is larger than the sum of its proper divisors (1).

2413391921 is an equidigital number, since it uses as much as digits as its factorization.

2413391921 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 35.

The square root of 2413391921 is about 49126.2854386529. The cubic root of 2413391921 is about 1341.3515584681.

The spelling of 2413391921 in words is "two billion, four hundred thirteen million, three hundred ninety-one thousand, nine hundred twenty-one".