10009991582 has 8 divisors (see below), whose sum is σ = 15018807216. Its totient is φ = 5003722512.

The previous prime is 10009991573. The next prime is 10009991591. The reversal of 10009991582 is 28519990001.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (10009991573) and next prime (10009991591).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 626783 + ... + 642554.

It is an arithmetic number, because the mean of its divisors is an integer number (1877350902).

Almost surely, 2^10009991582 is an apocalyptic number.

10009991582 is a deficient number, since it is larger than the sum of its proper divisors (5008815634).

10009991582 is a wasteful number, since it uses less digits than its factorization.

10009991582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1273282.

The product of its (nonzero) digits is 58320, while the sum is 44.

The spelling of 10009991582 in words is "ten billion, nine million, nine hundred ninety-one thousand, five hundred eighty-two".