9479998039 has 4 divisors (see below), whose sum is σ = 9482182200. Its totient is φ = 9477813880.

The previous prime is 9479998027. The next prime is 9479998043. The reversal of 9479998039 is 9308999749.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9308999749 = 7 ⋅1329857107.

It is a cyclic number.

It is not a de Polignac number, because 9479998039 - 2³¹ = 7332514391 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 (9479998009) 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, 1085557 + ... + 1094254.

It is an arithmetic number, because the mean of its divisors is an integer number (2370545550).

Almost surely, 2^9479998039 is an apocalyptic number.

9479998039 is a deficient number, since it is larger than the sum of its proper divisors (2184161).

9479998039 is a wasteful number, since it uses less digits than its factorization.

9479998039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2184160.

The product of its (nonzero) digits is 39680928, while the sum is 67.

The square root of 9479998039 is about 97365.2814867805. The cubic root of 9479998039 is about 2116.4243480994.

The spelling of 9479998039 in words is "nine billion, four hundred seventy-nine million, nine hundred ninety-eight thousand, thirty-nine".