479493749 has 8 divisors (see below), whose sum is σ = 548208960. Its totient is φ = 410832576.

The previous prime is 479493727. The next prime is 479493757. The reversal of 479493749 is 947394974.

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

It is not a de Polignac number, because 479493749 - 2¹² = 479489653 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 479493694 and 479493703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (479493769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7742 + ... + 31920.

It is an arithmetic number, because the mean of its divisors is an integer number (68526120).

Almost surely, 2^479493749 is an apocalyptic number.

It is an amenable number.

479493749 is a deficient number, since it is larger than the sum of its proper divisors (68715211).

479493749 is a wasteful number, since it uses less digits than its factorization.

479493749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27019.

The product of its digits is 6858432, while the sum is 56.

The square root of 479493749 is about 21897.3457067289. The cubic root of 479493749 is about 782.6981667294.

The spelling of 479493749 in words is "four hundred seventy-nine million, four hundred ninety-three thousand, seven hundred forty-nine".