2139990757999 has 2 divisors, whose sum is σ = 2139990758000. Its totient is φ = 2139990757998.

The previous prime is 2139990757967. The next prime is 2139990758027. The reversal of 2139990757999 is 9997570999312.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2139990757999 - 2⁵ = 2139990757967 is a prime.

It is a super-2 number, since 2×2139990757999² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2139990757939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1069995378999 + 1069995379000.

It is an arithmetic number, because the mean of its divisors is an integer number (1069995379000).

Almost surely, 2^{2139990757999} is an apocalyptic number.

2139990757999 is a deficient number, since it is larger than the sum of its proper divisors (1).

2139990757999 is an equidigital number, since it uses as much as digits as its factorization.

2139990757999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 781218270, while the sum is 79.

The spelling of 2139990757999 in words is "two trillion, one hundred thirty-nine billion, nine hundred ninety million, seven hundred fifty-seven thousand, nine hundred ninety-nine".