2539883873321 has 2 divisors, whose sum is σ = 2539883873322. Its totient is φ = 2539883873320.

The previous prime is 2539883873231. The next prime is 2539883873333. The reversal of 2539883873321 is 1233783889352.

It is a happy number.

Together with previous prime (2539883873231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2433584400025 + 106299473296 = 1559995^2 + 326036^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2539883873321 is a prime.

It is not a weakly prime, because it can be changed into another prime (2539883873221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1269941936660 + 1269941936661.

It is an arithmetic number, because the mean of its divisors is an integer number (1269941936661).

Almost surely, 2^{2539883873321} is an apocalyptic number.

It is an amenable number.

2539883873321 is a deficient number, since it is larger than the sum of its proper divisors (1).

2539883873321 is an equidigital number, since it uses as much as digits as its factorization.

2539883873321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52254720, while the sum is 62.

The spelling of 2539883873321 in words is "two trillion, five hundred thirty-nine billion, eight hundred eighty-three million, eight hundred seventy-three thousand, three hundred twenty-one".