270268991 has 2 divisors, whose sum is σ = 270268992. Its totient is φ = 270268990.

The previous prime is 270268981. The next prime is 270268997. The reversal of 270268991 is 199862072.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-270268991 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (270268997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135134495 + 135134496.

It is an arithmetic number, because the mean of its divisors is an integer number (135134496).

Almost surely, 2^270268991 is an apocalyptic number.

270268991 is a deficient number, since it is larger than the sum of its proper divisors (1).

270268991 is an equidigital number, since it uses as much as digits as its factorization.

270268991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 270268991 is about 16439.8598230034. The cubic root of 270268991 is about 646.5449741190.

The spelling of 270268991 in words is "two hundred seventy million, two hundred sixty-eight thousand, nine hundred ninety-one".