2539915862387 has 2 divisors, whose sum is σ = 2539915862388. Its totient is φ = 2539915862386.

The previous prime is 2539915862339. The next prime is 2539915862411. The reversal of 2539915862387 is 7832685199352.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2539915862387 - 2³⁴ = 2522735993203 is a prime.

It is not a weakly prime, because it can be changed into another prime (2539915868387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1269957931193 + 1269957931194.

It is an arithmetic number, because the mean of its divisors is an integer number (1269957931194).

Almost surely, 2^{2539915862387} is an apocalyptic number.

2539915862387 is a deficient number, since it is larger than the sum of its proper divisors (1).

2539915862387 is an equidigital number, since it uses as much as digits as its factorization.

2539915862387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 195955200, while the sum is 68.

The spelling of 2539915862387 in words is "two trillion, five hundred thirty-nine billion, nine hundred fifteen million, eight hundred sixty-two thousand, three hundred eighty-seven".