479497949 has 4 divisors (see below), whose sum is σ = 547997664. Its totient is φ = 410998236.

The previous prime is 479497891. The next prime is 479497957. The reversal of 479497949 is 949794974.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 479497949 - 2⁸ = 479497693 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 479497891 and 479497900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (479497549) 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, 34249847 + ... + 34249860.

It is an arithmetic number, because the mean of its divisors is an integer number (136999416).

Almost surely, 2^479497949 is an apocalyptic number.

It is an amenable number.

479497949 is a deficient number, since it is larger than the sum of its proper divisors (68499715).

479497949 is an equidigital number, since it uses as much as digits as its factorization.

479497949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68499714.

The product of its digits is 20575296, while the sum is 62.

The square root of 479497949 is about 21897.4416085533. The cubic root of 479497949 is about 782.7004520026.

The spelling of 479497949 in words is "four hundred seventy-nine million, four hundred ninety-seven thousand, nine hundred forty-nine".