18928206848 has 44 divisors (see below), whose sum is σ = 37856071680. Its totient is φ = 9459566592.

The previous prime is 18928206811. The next prime is 18928206863. The reversal of 18928206848 is 84860282981.

It is a junction number, because it is equal to n+sod(n) for n = 18928206793 and 18928206802.

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, 3436865 + ... + 3442367.

Almost surely, 2^18928206848 is an apocalyptic number.

It is an amenable number.

18928206848 is a deficient number, since it is larger than the sum of its proper divisors (18927864832).

18928206848 is an equidigital number, since it uses as much as digits as its factorization.

18928206848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8882 (or 8864 counting only the distinct ones).

The product of its (nonzero) digits is 3538944, while the sum is 56.

The spelling of 18928206848 in words is "eighteen billion, nine hundred twenty-eight million, two hundred six thousand, eight hundred forty-eight".