13544238083377 has 2 divisors, whose sum is σ = 13544238083378. Its totient is φ = 13544238083376.

The previous prime is 13544238083323. The next prime is 13544238083393. The reversal of 13544238083377 is 77338083244531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10324596402481 + 3219641680896 = 3213191^2 + 1794336^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13544238083377 is a prime.

It is not a weakly prime, because it can be changed into another prime (13544238783377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6772119041688 + 6772119041689.

It is an arithmetic number, because the mean of its divisors is an integer number (6772119041689).

Almost surely, 2^{13544238083377} is an apocalyptic number.

It is an amenable number.

13544238083377 is a deficient number, since it is larger than the sum of its proper divisors (1).

13544238083377 is an equidigital number, since it uses as much as digits as its factorization.

13544238083377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40642560, while the sum is 58.

The spelling of 13544238083377 in words is "thirteen trillion, five hundred forty-four billion, two hundred thirty-eight million, eighty-three thousand, three hundred seventy-seven".