12765391414169 has 2 divisors, whose sum is σ = 12765391414170. Its totient is φ = 12765391414168.

The previous prime is 12765391414051. The next prime is 12765391414187. The reversal of 12765391414169 is 96141419356721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8366052962569 + 4399338451600 = 2892413^2 + 2097460^2 .

It is a cyclic number.

It is not a de Polignac number, because 12765391414169 - 2¹² = 12765391410073 is a prime.

It is a super-2 number, since 2×12765391414169² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12765391414199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6382695707084 + 6382695707085.

It is an arithmetic number, because the mean of its divisors is an integer number (6382695707085).

Almost surely, 2^{12765391414169} is an apocalyptic number.

It is an amenable number.

12765391414169 is a deficient number, since it is larger than the sum of its proper divisors (1).

12765391414169 is an equidigital number, since it uses as much as digits as its factorization.

12765391414169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9797760, while the sum is 59.

The spelling of 12765391414169 in words is "twelve trillion, seven hundred sixty-five billion, three hundred ninety-one million, four hundred fourteen thousand, one hundred sixty-nine".