2421908971 has 2 divisors, whose sum is σ = 2421908972. Its totient is φ = 2421908970.

The previous prime is 2421908959. The next prime is 2421909023. The reversal of 2421908971 is 1798091242.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2421908971 - 2²³ = 2413520363 is a prime.

It is not a weakly prime, because it can be changed into another prime (2421908911) 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 as a sum of consecutive naturals, namely, 1210954485 + 1210954486.

It is an arithmetic number, because the mean of its divisors is an integer number (1210954486).

Almost surely, 2^2421908971 is an apocalyptic number.

2421908971 is a deficient number, since it is larger than the sum of its proper divisors (1).

2421908971 is an equidigital number, since it uses as much as digits as its factorization.

2421908971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 43.

The square root of 2421908971 is about 49212.8943570687. The cubic root of 2421908971 is about 1342.9276176410.

The spelling of 2421908971 in words is "two billion, four hundred twenty-one million, nine hundred eight thousand, nine hundred seventy-one".