8675239781413 has 2 divisors, whose sum is σ = 8675239781414. Its totient is φ = 8675239781412.

The previous prime is 8675239781287. The next prime is 8675239781441. The reversal of 8675239781413 is 3141879325768.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8231579879329 + 443659902084 = 2869073^2 + 666078^2 .

It is a cyclic number.

It is not a de Polignac number, because 8675239781413 - 2⁹ = 8675239780901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8675239781713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4337619890706 + 4337619890707.

It is an arithmetic number, because the mean of its divisors is an integer number (4337619890707).

Almost surely, 2^{8675239781413} is an apocalyptic number.

It is an amenable number.

8675239781413 is a deficient number, since it is larger than the sum of its proper divisors (1).

8675239781413 is an equidigital number, since it uses as much as digits as its factorization.

8675239781413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60963840, while the sum is 64.

The spelling of 8675239781413 in words is "eight trillion, six hundred seventy-five billion, two hundred thirty-nine million, seven hundred eighty-one thousand, four hundred thirteen".