1479239613 has 12 divisors (see below), whose sum is σ = 2194428028. Its totient is φ = 959506560.

The previous prime is 1479239599. The next prime is 1479239633. The reversal of 1479239613 is 3169329741.

1479239613 is a `hidden beast` number, since 1 + 4 + 7 + 9 + 23 + 9 + 613 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1079319609 + 399920004 = 32853^2 + 19998^2 .

It is not a de Polignac number, because 1479239613 - 2⁹ = 1479239101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1479239633) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2220748 + ... + 2221413.

Almost surely, 2^1479239613 is an apocalyptic number.

It is an amenable number.

1479239613 is a deficient number, since it is larger than the sum of its proper divisors (715188415).

1479239613 is a wasteful number, since it uses less digits than its factorization.

1479239613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4442204 (or 4442201 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 1479239613 is about 38460.8841942044. The cubic root of 1479239613 is about 1139.4086429727.

The spelling of 1479239613 in words is "one billion, four hundred seventy-nine million, two hundred thirty-nine thousand, six hundred thirteen".