479491749 has 36 divisors (see below), whose sum is σ = 802669920. Its totient is φ = 273490560.

The previous prime is 479491723. The next prime is 479491751. The reversal of 479491749 is 947194974.

It is not a de Polignac number, because 479491749 - 2¹⁷ = 479360677 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 479491695 and 479491704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (479491949) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 20232 + ... + 36990.

Almost surely, 2^479491749 is an apocalyptic number.

It is an amenable number.

479491749 is a deficient number, since it is larger than the sum of its proper divisors (323178171).

479491749 is a wasteful number, since it uses less digits than its factorization.

479491749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16810 (or 16790 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 54.

The square root of 479491749 is about 21897.3000390459. The cubic root of 479491749 is about 782.6970784993.

The spelling of 479491749 in words is "four hundred seventy-nine million, four hundred ninety-one thousand, seven hundred forty-nine".