479901691 has 4 divisors (see below), whose sum is σ = 481015584. Its totient is φ = 478787800.

The previous prime is 479901683. The next prime is 479901703. The reversal of 479901691 is 196109974.

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 479901691 - 2³ = 479901683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (479901661) 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, 556300 + ... + 557161.

It is an arithmetic number, because the mean of its divisors is an integer number (120253896).

Almost surely, 2^479901691 is an apocalyptic number.

479901691 is a deficient number, since it is larger than the sum of its proper divisors (1113893).

479901691 is a wasteful number, since it uses less digits than its factorization.

479901691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113892.

The product of its (nonzero) digits is 122472, while the sum is 46.

The square root of 479901691 is about 21906.6585996130. The cubic root of 479901691 is about 782.9200708725.

The spelling of 479901691 in words is "four hundred seventy-nine million, nine hundred one thousand, six hundred ninety-one".