470491811 has 4 divisors (see below), whose sum is σ = 470550624. Its totient is φ = 470433000.

The previous prime is 470491799. The next prime is 470491829. The reversal of 470491811 is 118194074.

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 470491811 - 2¹⁸ = 470229667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (470491111) 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, 15080 + ... + 34181.

It is an arithmetic number, because the mean of its divisors is an integer number (117637656).

Almost surely, 2^470491811 is an apocalyptic number.

470491811 is a deficient number, since it is larger than the sum of its proper divisors (58813).

470491811 is an equidigital number, since it uses as much as digits as its factorization.

470491811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58812.

The product of its (nonzero) digits is 8064, while the sum is 35.

The square root of 470491811 is about 21690.8231978411. The cubic root of 470491811 is about 777.7691081566.

The spelling of 470491811 in words is "four hundred seventy million, four hundred ninety-one thousand, eight hundred eleven".