30494085638 has 8 divisors (see below), whose sum is σ = 45804748320. Its totient is φ = 15225836200.

The previous prime is 30494085581. The next prime is 30494085647. The reversal of 30494085638 is 83658049403.

It is a happy number.

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, 10601513 + ... + 10604388.

It is an arithmetic number, because the mean of its divisors is an integer number (5725593540).

Almost surely, 2^30494085638 is an apocalyptic number.

30494085638 is a deficient number, since it is larger than the sum of its proper divisors (15310662682).

30494085638 is a wasteful number, since it uses less digits than its factorization.

30494085638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21206622.

The product of its (nonzero) digits is 2488320, while the sum is 50.

The spelling of 30494085638 in words is "thirty billion, four hundred ninety-four million, eighty-five thousand, six hundred thirty-eight".