470505091 has 4 divisors (see below), whose sum is σ = 537720112. Its totient is φ = 403290072.

The previous prime is 470505067. The next prime is 470505103. The reversal of 470505091 is 190505074.

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

It is a cyclic number.

It is not a de Polignac number, because 470505091 - 2⁵ = 470505059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (470505491) 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 3 ways as a sum of consecutive naturals, for example, 33607500 + ... + 33607513.

It is an arithmetic number, because the mean of its divisors is an integer number (134430028).

Almost surely, 2^470505091 is an apocalyptic number.

470505091 is a deficient number, since it is larger than the sum of its proper divisors (67215021).

470505091 is an equidigital number, since it uses as much as digits as its factorization.

470505091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67215020.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 470505091 is about 21691.1293159208. The cubic root of 470505091 is about 777.7764258019.

The spelling of 470505091 in words is "four hundred seventy million, five hundred five thousand, ninety-one".