269149429117 has 2 divisors, whose sum is σ = 269149429118. Its totient is φ = 269149429116.

The previous prime is 269149429099. The next prime is 269149429123. The reversal of 269149429117 is 711924941962.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 145480453561 + 123668975556 = 381419^2 + 351666^2 .

It is a cyclic number.

It is not a de Polignac number, because 269149429117 - 2²⁷ = 269015211389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (269149429177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134574714558 + 134574714559.

It is an arithmetic number, because the mean of its divisors is an integer number (134574714559).

Almost surely, 2^269149429117 is an apocalyptic number.

It is an amenable number.

269149429117 is a deficient number, since it is larger than the sum of its proper divisors (1).

269149429117 is an equidigital number, since it uses as much as digits as its factorization.

269149429117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1959552, while the sum is 55.

The spelling of 269149429117 in words is "two hundred sixty-nine billion, one hundred forty-nine million, four hundred twenty-nine thousand, one hundred seventeen".