13877091398501 has 2 divisors, whose sum is σ = 13877091398502. Its totient is φ = 13877091398500.

The previous prime is 13877091398453. The next prime is 13877091398707. The reversal of 13877091398501 is 10589319077831.

13877091398501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7141374352225 + 6735717046276 = 2672335^2 + 2595326^2 .

It is a cyclic number.

It is not a de Polignac number, because 13877091398501 - 2³⁸ = 13602213491557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13877091398201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6938545699250 + 6938545699251.

It is an arithmetic number, because the mean of its divisors is an integer number (6938545699251).

Almost surely, 2^{13877091398501} is an apocalyptic number.

It is an amenable number.

13877091398501 is a deficient number, since it is larger than the sum of its proper divisors (1).

13877091398501 is an equidigital number, since it uses as much as digits as its factorization.

13877091398501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11430720, while the sum is 62.

The spelling of 13877091398501 in words is "thirteen trillion, eight hundred seventy-seven billion, ninety-one million, three hundred ninety-eight thousand, five hundred one".