270409491 has 24 divisors (see below), whose sum is σ = 427714560. Its totient is φ = 163263600.

The previous prime is 270409487. The next prime is 270409493. The reversal of 270409491 is 194904072.

It is not a de Polignac number, because 270409491 - 2² = 270409487 is a prime.

It is not an unprimeable number, because it can be changed into a prime (270409493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21790 + ... + 31868.

It is an arithmetic number, because the mean of its divisors is an integer number (17821440).

Almost surely, 2^270409491 is an apocalyptic number.

270409491 is a deficient number, since it is larger than the sum of its proper divisors (157305069).

270409491 is a wasteful number, since it uses less digits than its factorization.

270409491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10367 (or 10364 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 270409491 is about 16444.1324185863. The cubic root of 270409491 is about 646.6569907091.

The spelling of 270409491 in words is "two hundred seventy million, four hundred nine thousand, four hundred ninety-one".