9139279464 has 64 divisors (see below), whose sum is σ = 29013590400. Its totient is φ = 2611222272.

The previous prime is 9139279463. The next prime is 9139279481. The reversal of 9139279464 is 4649729319.

9139279464 is a `hidden beast` number, since 91 + 3 + 92 + 7 + 9 + 464 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 9139279464.

It is not an unprimeable number, because it can be changed into a prime (9139279463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3020737 + ... + 3023760.

It is an arithmetic number, because the mean of its divisors is an integer number (453337350).

Almost surely, 2^9139279464 is an apocalyptic number.

It is an amenable number.

9139279464 is an abundant number, since it is smaller than the sum of its proper divisors (19874310936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9139279464 is a wasteful number, since it uses less digits than its factorization.

9139279464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6044519 (or 6044509 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 54.

The square root of 9139279464 is about 95599.5787856829. The cubic root of 9139279464 is about 2090.7590524511.

The spelling of 9139279464 in words is "nine billion, one hundred thirty-nine million, two hundred seventy-nine thousand, four hundred sixty-four".