479256749 has 8 divisors (see below), whose sum is σ = 493281600. Its totient is φ = 465343200.

The previous prime is 479256733. The next prime is 479256761. The reversal of 479256749 is 947652974.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 479256749 - 2⁴ = 479256733 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 479256749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (479256719) 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 7 ways as a sum of consecutive naturals, for example, 19049 + ... + 36350.

It is an arithmetic number, because the mean of its divisors is an integer number (61660200).

Almost surely, 2^479256749 is an apocalyptic number.

It is an amenable number.

479256749 is a deficient number, since it is larger than the sum of its proper divisors (14024851).

479256749 is a wasteful number, since it uses less digits than its factorization.

479256749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55651.

The product of its digits is 3810240, while the sum is 53.

The square root of 479256749 is about 21891.9334230670. The cubic root of 479256749 is about 782.5691903964.

The spelling of 479256749 in words is "four hundred seventy-nine million, two hundred fifty-six thousand, seven hundred forty-nine".