13421700015377 has 2 divisors, whose sum is σ = 13421700015378. Its totient is φ = 13421700015376.

The previous prime is 13421700015323. The next prime is 13421700015397. The reversal of 13421700015377 is 77351000712431.

13421700015377 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11595550490176 + 1826149525201 = 3405224^2 + 1351351^2 .

It is a cyclic number.

It is not a de Polignac number, because 13421700015377 - 2²² = 13421695821073 is a prime.

It is not a weakly prime, because it can be changed into another prime (13421700015307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6710850007688 + 6710850007689.

It is an arithmetic number, because the mean of its divisors is an integer number (6710850007689).

Almost surely, 2^{13421700015377} is an apocalyptic number.

It is an amenable number.

13421700015377 is a deficient number, since it is larger than the sum of its proper divisors (1).

13421700015377 is an equidigital number, since it uses as much as digits as its factorization.

13421700015377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 123480, while the sum is 41.

The spelling of 13421700015377 in words is "thirteen trillion, four hundred twenty-one billion, seven hundred million, fifteen thousand, three hundred seventy-seven".