2421056536331 has 2 divisors, whose sum is σ = 2421056536332. Its totient is φ = 2421056536330.

The previous prime is 2421056536309. The next prime is 2421056536337. The reversal of 2421056536331 is 1336356501242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2421056536331 - 2³⁰ = 2419982794507 is a prime.

It is a super-2 number, since 2×2421056536331² (a number of 26 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2421056536337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210528268165 + 1210528268166.

It is an arithmetic number, because the mean of its divisors is an integer number (1210528268166).

Almost surely, 2^{2421056536331} is an apocalyptic number.

2421056536331 is a deficient number, since it is larger than the sum of its proper divisors (1).

2421056536331 is an equidigital number, since it uses as much as digits as its factorization.

2421056536331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 388800, while the sum is 41.

The spelling of 2421056536331 in words is "two trillion, four hundred twenty-one billion, fifty-six million, five hundred thirty-six thousand, three hundred thirty-one".