13790277517 has 2 divisors, whose sum is σ = 13790277518. Its totient is φ = 13790277516.

The previous prime is 13790277493. The next prime is 13790277521. The reversal of 13790277517 is 71577209731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12867272356 + 923005161 = 113434^2 + 30381^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13790277517 is a prime.

It is a super-3 number, since 3×13790277517³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13790278517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6895138758 + 6895138759.

It is an arithmetic number, because the mean of its divisors is an integer number (6895138759).

Almost surely, 2^13790277517 is an apocalyptic number.

It is an amenable number.

13790277517 is a deficient number, since it is larger than the sum of its proper divisors (1).

13790277517 is an equidigital number, since it uses as much as digits as its factorization.

13790277517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648270, while the sum is 49.

The spelling of 13790277517 in words is "thirteen billion, seven hundred ninety million, two hundred seventy-seven thousand, five hundred seventeen".