662141269 has 2 divisors, whose sum is σ = 662141270. Its totient is φ = 662141268.

The previous prime is 662141239. The next prime is 662141281. The reversal of 662141269 is 962141266.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 610732369 + 51408900 = 24713^2 + 7170^2 .

It is a cyclic number.

It is not a de Polignac number, because 662141269 - 2⁷ = 662141141 is a prime.

It is a super-2 number, since 2×662141269² = 876862120225860722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (662141209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331070634 + 331070635.

It is an arithmetic number, because the mean of its divisors is an integer number (331070635).

Almost surely, 2^662141269 is an apocalyptic number.

It is an amenable number.

662141269 is a deficient number, since it is larger than the sum of its proper divisors (1).

662141269 is an equidigital number, since it uses as much as digits as its factorization.

662141269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 37.

The square root of 662141269 is about 25732.1058018966. The cubic root of 662141269 is about 871.5993257319.

The spelling of 662141269 in words is "six hundred sixty-two million, one hundred forty-one thousand, two hundred sixty-nine".