30472103638 has 8 divisors (see below), whose sum is σ = 45709677720. Its totient is φ = 15235544400.

The previous prime is 30472103609. The next prime is 30472103659. The reversal of 30472103638 is 83630127403.

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

It is a junction number, because it is equal to n+sod(n) for n = 30472103597 and 30472103606.

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, 173583 + ... + 301786.

It is an arithmetic number, because the mean of its divisors is an integer number (5713709715).

Almost surely, 2^30472103638 is an apocalyptic number.

30472103638 is a deficient number, since it is larger than the sum of its proper divisors (15237574082).

30472103638 is a wasteful number, since it uses less digits than its factorization.

30472103638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507422.

The product of its (nonzero) digits is 72576, while the sum is 37.

The spelling of 30472103638 in words is "thirty billion, four hundred seventy-two million, one hundred three thousand, six hundred thirty-eight".