2113324439987 has 2 divisors, whose sum is σ = 2113324439988. Its totient is φ = 2113324439986.

The previous prime is 2113324439977. The next prime is 2113324440077. The reversal of 2113324439987 is 7899344233112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2113324439987 - 2¹⁴ = 2113324423603 is a prime.

It is a super-2 number, since 2×2113324439987² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2113324439977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056662219993 + 1056662219994.

It is an arithmetic number, because the mean of its divisors is an integer number (1056662219994).

Almost surely, 2^{2113324439987} is an apocalyptic number.

2113324439987 is a deficient number, since it is larger than the sum of its proper divisors (1).

2113324439987 is an equidigital number, since it uses as much as digits as its factorization.

2113324439987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7838208, while the sum is 56.

The spelling of 2113324439987 in words is "two trillion, one hundred thirteen billion, three hundred twenty-four million, four hundred thirty-nine thousand, nine hundred eighty-seven".