13639260461077 has 2 divisors, whose sum is σ = 13639260461078. Its totient is φ = 13639260461076.

The previous prime is 13639260461059. The next prime is 13639260461119. The reversal of 13639260461077 is 77016406293631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13354354318321 + 284906142756 = 3654361^2 + 533766^2 .

It is a cyclic number.

It is not a de Polignac number, because 13639260461077 - 2³¹ = 13637112977429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13639260461977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6819630230538 + 6819630230539.

It is an arithmetic number, because the mean of its divisors is an integer number (6819630230539).

Almost surely, 2^{13639260461077} is an apocalyptic number.

It is an amenable number.

13639260461077 is a deficient number, since it is larger than the sum of its proper divisors (1).

13639260461077 is an equidigital number, since it uses as much as digits as its factorization.

13639260461077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6858432, while the sum is 55.

The spelling of 13639260461077 in words is "thirteen trillion, six hundred thirty-nine billion, two hundred sixty million, four hundred sixty-one thousand, seventy-seven".