755559431269 has 2 divisors, whose sum is σ = 755559431270. Its totient is φ = 755559431268.

The previous prime is 755559431261. The next prime is 755559431281. The reversal of 755559431269 is 962134955557.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 615055905025 + 140503526244 = 784255^2 + 374838^2 .

It is a cyclic number.

It is not a de Polignac number, because 755559431269 - 2³ = 755559431261 is a prime.

It is a super-2 number, since 2×755559431269² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (755559431261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 377779715634 + 377779715635.

It is an arithmetic number, because the mean of its divisors is an integer number (377779715635).

Almost surely, 2^755559431269 is an apocalyptic number.

It is an amenable number.

755559431269 is a deficient number, since it is larger than the sum of its proper divisors (1).

755559431269 is an equidigital number, since it uses as much as digits as its factorization.

755559431269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51030000, while the sum is 61.

The spelling of 755559431269 in words is "seven hundred fifty-five billion, five hundred fifty-nine million, four hundred thirty-one thousand, two hundred sixty-nine".