2516117939 has 2 divisors, whose sum is σ = 2516117940. Its totient is φ = 2516117938.

The previous prime is 2516117911. The next prime is 2516118023. The reversal of 2516117939 is 9397116152.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2516117939 - 2¹² = 2516113843 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2516117939.

It is not a weakly prime, because it can be changed into another prime (2516117909) 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, 1258058969 + 1258058970.

It is an arithmetic number, because the mean of its divisors is an integer number (1258058970).

Almost surely, 2^2516117939 is an apocalyptic number.

2516117939 is a deficient number, since it is larger than the sum of its proper divisors (1).

2516117939 is an equidigital number, since it uses as much as digits as its factorization.

2516117939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 102060, while the sum is 44.

The square root of 2516117939 is about 50160.9204361323. The cubic root of 2516117939 is about 1360.1192836191.

The spelling of 2516117939 in words is "two billion, five hundred sixteen million, one hundred seventeen thousand, nine hundred thirty-nine".