909479617147 has 2 divisors, whose sum is σ = 909479617148. Its totient is φ = 909479617146.

The previous prime is 909479617117. The next prime is 909479617157. The reversal of 909479617147 is 741716974909.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 909479617147 - 2²³ = 909471228539 is a prime.

It is not a weakly prime, because it can be changed into another prime (909479617117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 454739808573 + 454739808574.

It is an arithmetic number, because the mean of its divisors is an integer number (454739808574).

Almost surely, 2^909479617147 is an apocalyptic number.

909479617147 is a deficient number, since it is larger than the sum of its proper divisors (1).

909479617147 is an equidigital number, since it uses as much as digits as its factorization.

909479617147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24004512, while the sum is 64.

The spelling of 909479617147 in words is "nine hundred nine billion, four hundred seventy-nine million, six hundred seventeen thousand, one hundred forty-seven".