13177066069 has 2 divisors, whose sum is σ = 13177066070. Its totient is φ = 13177066068.

The previous prime is 13177066051. The next prime is 13177066073. The reversal of 13177066069 is 96066077131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13107960100 + 69105969 = 114490^2 + 8313^2 .

It is a cyclic number.

It is not a de Polignac number, because 13177066069 - 2⁵ = 13177066037 is a prime.

It is a super-2 number, since 2×13177066069² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13177066039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6588533034 + 6588533035.

It is an arithmetic number, because the mean of its divisors is an integer number (6588533035).

Almost surely, 2^13177066069 is an apocalyptic number.

It is an amenable number.

13177066069 is a deficient number, since it is larger than the sum of its proper divisors (1).

13177066069 is an equidigital number, since it uses as much as digits as its factorization.

13177066069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 285768, while the sum is 46.

The spelling of 13177066069 in words is "thirteen billion, one hundred seventy-seven million, sixty-six thousand, sixty-nine".