2421531199 has 2 divisors, whose sum is σ = 2421531200. Its totient is φ = 2421531198.

The previous prime is 2421531173. The next prime is 2421531239. The reversal of 2421531199 is 9911351242.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2421531199 - 2¹¹ = 2421529151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2421531109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210765599 + 1210765600.

It is an arithmetic number, because the mean of its divisors is an integer number (1210765600).

Almost surely, 2^2421531199 is an apocalyptic number.

2421531199 is a deficient number, since it is larger than the sum of its proper divisors (1).

2421531199 is an equidigital number, since it uses as much as digits as its factorization.

2421531199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 37.

The square root of 2421531199 is about 49209.0560669477. The cubic root of 2421531199 is about 1342.8577902393.

The spelling of 2421531199 in words is "two billion, four hundred twenty-one million, five hundred thirty-one thousand, one hundred ninety-nine".