479163641 has 16 divisors (see below), whose sum is σ = 551823360. Its totient is φ = 411486480.

The previous prime is 479163613. The next prime is 479163661. The reversal of 479163641 is 146361974.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-479163641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (479163661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73580 + ... + 79826.

It is an arithmetic number, because the mean of its divisors is an integer number (34488960).

Almost surely, 2^479163641 is an apocalyptic number.

It is an amenable number.

479163641 is a deficient number, since it is larger than the sum of its proper divisors (72659719).

479163641 is a wasteful number, since it uses less digits than its factorization.

479163641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6644.

The product of its digits is 108864, while the sum is 41.

The square root of 479163641 is about 21889.8067830669. The cubic root of 479163641 is about 782.5185090227.

The spelling of 479163641 in words is "four hundred seventy-nine million, one hundred sixty-three thousand, six hundred forty-one".