269620091 has 4 divisors (see below), whose sum is σ = 290360112. Its totient is φ = 248880072.

The previous prime is 269620067. The next prime is 269620097. The reversal of 269620091 is 190026962.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-269620091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (269620097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10369991 + ... + 10370016.

It is an arithmetic number, because the mean of its divisors is an integer number (72590028).

Almost surely, 2^269620091 is an apocalyptic number.

269620091 is a deficient number, since it is larger than the sum of its proper divisors (20740021).

269620091 is a wasteful number, since it uses less digits than its factorization.

269620091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20740020.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 269620091 is about 16420.1123930380. The cubic root of 269620091 is about 646.0271205949.

The spelling of 269620091 in words is "two hundred sixty-nine million, six hundred twenty thousand, ninety-one".