9132481639 has 4 divisors (see below), whose sum is σ = 9168866280. Its totient is φ = 9096097000.

The previous prime is 9132481621. The next prime is 9132481643. The reversal of 9132481639 is 9361842319.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9132481639 - 2⁷ = 9132481511 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 (9132481619) 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, 18191944 + ... + 18192445.

It is an arithmetic number, because the mean of its divisors is an integer number (2292216570).

Almost surely, 2^9132481639 is an apocalyptic number.

9132481639 is a deficient number, since it is larger than the sum of its proper divisors (36384641).

9132481639 is a wasteful number, since it uses less digits than its factorization.

9132481639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36384640.

The product of its digits is 279936, while the sum is 46.

The square root of 9132481639 is about 95564.0185373135. The cubic root of 9132481639 is about 2090.2405528085.

The spelling of 9132481639 in words is "nine billion, one hundred thirty-two million, four hundred eighty-one thousand, six hundred thirty-nine".