18530604530 has 32 divisors (see below), whose sum is σ = 33838248960. Its totient is φ = 7304955840.

The previous prime is 18530604523. The next prime is 18530604559. The reversal of 18530604530 is 3540603581.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3154436 + ... + 3160304.

It is an arithmetic number, because the mean of its divisors is an integer number (1057445280).

Almost surely, 2^18530604530 is an apocalyptic number.

18530604530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18530604530 is a deficient number, since it is larger than the sum of its proper divisors (15307644430).

18530604530 is a wasteful number, since it uses less digits than its factorization.

18530604530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10394.

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 18530604530 in words is "eighteen billion, five hundred thirty million, six hundred four thousand, five hundred thirty".