538982669 has 2 divisors, whose sum is σ = 538982670. Its totient is φ = 538982668.

The previous prime is 538982527. The next prime is 538982677. The reversal of 538982669 is 966289835.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 536617225 + 2365444 = 23165^2 + 1538^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-538982669 is a prime.

It is a super-2 number, since 2×538982669² = 581004634964727122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (538982869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269491334 + 269491335.

It is an arithmetic number, because the mean of its divisors is an integer number (269491335).

Almost surely, 2^538982669 is an apocalyptic number.

It is an amenable number.

538982669 is a deficient number, since it is larger than the sum of its proper divisors (1).

538982669 is an equidigital number, since it uses as much as digits as its factorization.

538982669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5598720, while the sum is 56.

The square root of 538982669 is about 23216.0002799793. Note that the first 3 decimals coincide. The cubic root of 538982669 is about 813.8135818018.

The spelling of 538982669 in words is "five hundred thirty-eight million, nine hundred eighty-two thousand, six hundred sixty-nine".