13763875137517 has 2 divisors, whose sum is σ = 13763875137518. Its totient is φ = 13763875137516.

The previous prime is 13763875137503. The next prime is 13763875137631. The reversal of 13763875137517 is 71573157836731.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13761621831556 + 2253305961 = 3709666^2 + 47469^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13763875137517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13763875137017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6881937568758 + 6881937568759.

It is an arithmetic number, because the mean of its divisors is an integer number (6881937568759).

Almost surely, 2^{13763875137517} is an apocalyptic number.

It is an amenable number.

13763875137517 is a deficient number, since it is larger than the sum of its proper divisors (1).

13763875137517 is an equidigital number, since it uses as much as digits as its factorization.

13763875137517 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77792400, while the sum is 64.

The spelling of 13763875137517 in words is "thirteen trillion, seven hundred sixty-three billion, eight hundred seventy-five million, one hundred thirty-seven thousand, five hundred seventeen".