9478249136 has 40 divisors (see below), whose sum is σ = 18431945280. Its totient is φ = 4721659904.

The previous prime is 9478249103. The next prime is 9478249153. The reversal of 9478249136 is 6319428749.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7787600 + ... + 7788816.

It is an arithmetic number, because the mean of its divisors is an integer number (460798632).

Almost surely, 2^9478249136 is an apocalyptic number.

It is an amenable number.

9478249136 is a deficient number, since it is larger than the sum of its proper divisors (8953696144).

9478249136 is a wasteful number, since it uses less digits than its factorization.

9478249136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2621 (or 2615 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 53.

The square root of 9478249136 is about 97356.2999296912. The cubic root of 9478249136 is about 2116.2941916543.

The spelling of 9478249136 in words is "nine billion, four hundred seventy-eight million, two hundred forty-nine thousand, one hundred thirty-six".