2439661263199 has 2 divisors, whose sum is σ = 2439661263200. Its totient is φ = 2439661263198.

The previous prime is 2439661263187. The next prime is 2439661263223. The reversal of 2439661263199 is 9913621669342.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2439661263199 - 2²⁵ = 2439627708767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2439661263799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1219830631599 + 1219830631600.

It is an arithmetic number, because the mean of its divisors is an integer number (1219830631600).

Almost surely, 2^{2439661263199} is an apocalyptic number.

2439661263199 is a deficient number, since it is larger than the sum of its proper divisors (1).

2439661263199 is an equidigital number, since it uses as much as digits as its factorization.

2439661263199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22674816, while the sum is 61.

The spelling of 2439661263199 in words is "two trillion, four hundred thirty-nine billion, six hundred sixty-one million, two hundred sixty-three thousand, one hundred ninety-nine".