102668704613 has 2 divisors, whose sum is σ = 102668704614. Its totient is φ = 102668704612.

The previous prime is 102668704573. The next prime is 102668704637. The reversal of 102668704613 is 316407866201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70892790049 + 31775914564 = 266257^2 + 178258^2 .

It is a cyclic number.

It is not a de Polignac number, because 102668704613 - 2⁸ = 102668704357 is a prime.

It is a super-4 number, since 4×102668704613⁴ (a number of 45 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102668704913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51334352306 + 51334352307.

It is an arithmetic number, because the mean of its divisors is an integer number (51334352307).

Almost surely, 2^102668704613 is an apocalyptic number.

It is an amenable number.

102668704613 is a deficient number, since it is larger than the sum of its proper divisors (1).

102668704613 is an equidigital number, since it uses as much as digits as its factorization.

102668704613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 44.

The spelling of 102668704613 in words is "one hundred two billion, six hundred sixty-eight million, seven hundred four thousand, six hundred thirteen".