270439913 has 2 divisors, whose sum is σ = 270439914. Its totient is φ = 270439912.

The previous prime is 270439891. The next prime is 270439921. The reversal of 270439913 is 319934072.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 267387904 + 3052009 = 16352^2 + 1747^2 .

It is a cyclic number.

It is not a de Polignac number, because 270439913 - 2¹⁸ = 270177769 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (270439933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135219956 + 135219957.

It is an arithmetic number, because the mean of its divisors is an integer number (135219957).

Almost surely, 2^270439913 is an apocalyptic number.

It is an amenable number.

270439913 is a deficient number, since it is larger than the sum of its proper divisors (1).

270439913 is an equidigital number, since it uses as much as digits as its factorization.

270439913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 270439913 is about 16445.0574033659. The cubic root of 270439913 is about 646.6812401801.

The spelling of 270439913 in words is "two hundred seventy million, four hundred thirty-nine thousand, nine hundred thirteen".