2122539078313 has 2 divisors, whose sum is σ = 2122539078314. Its totient is φ = 2122539078312.

The previous prime is 2122539078269. The next prime is 2122539078323. The reversal of 2122539078313 is 3138709352212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2122508075689 + 31002624 = 1456883^2 + 5568^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2122539078313 is a prime.

It is not a weakly prime, because it can be changed into another prime (2122539078323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061269539156 + 1061269539157.

It is an arithmetic number, because the mean of its divisors is an integer number (1061269539157).

Almost surely, 2^{2122539078313} is an apocalyptic number.

It is an amenable number.

2122539078313 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122539078313 is an equidigital number, since it uses as much as digits as its factorization.

2122539078313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 544320, while the sum is 46.

The spelling of 2122539078313 in words is "two trillion, one hundred twenty-two billion, five hundred thirty-nine million, seventy-eight thousand, three hundred thirteen".