13173735077 has 2 divisors, whose sum is σ = 13173735078. Its totient is φ = 13173735076.

The previous prime is 13173735073. The next prime is 13173735097. The reversal of 13173735077 is 77053737131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13171923361 + 1811716 = 114769^2 + 1346^2 .

It is a cyclic number.

It is not a de Polignac number, because 13173735077 - 2² = 13173735073 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13173735073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6586867538 + 6586867539.

It is an arithmetic number, because the mean of its divisors is an integer number (6586867539).

Almost surely, 2^13173735077 is an apocalyptic number.

It is an amenable number.

13173735077 is a deficient number, since it is larger than the sum of its proper divisors (1).

13173735077 is an equidigital number, since it uses as much as digits as its factorization.

13173735077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324135, while the sum is 44.

The spelling of 13173735077 in words is "thirteen billion, one hundred seventy-three million, seven hundred thirty-five thousand, seventy-seven".