2539254708929 has 2 divisors, whose sum is σ = 2539254708930. Its totient is φ = 2539254708928.

The previous prime is 2539254708923. The next prime is 2539254708953. The reversal of 2539254708929 is 9298074529352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2445892684225 + 93362024704 = 1563935^2 + 305552^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2539254708929 is a prime.

It is not a weakly prime, because it can be changed into another prime (2539254708923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1269627354464 + 1269627354465.

It is an arithmetic number, because the mean of its divisors is an integer number (1269627354465).

Almost surely, 2^{2539254708929} is an apocalyptic number.

It is an amenable number.

2539254708929 is a deficient number, since it is larger than the sum of its proper divisors (1).

2539254708929 is an equidigital number, since it uses as much as digits as its factorization.

2539254708929 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97977600, while the sum is 65.

The spelling of 2539254708929 in words is "two trillion, five hundred thirty-nine billion, two hundred fifty-four million, seven hundred eight thousand, nine hundred twenty-nine".