18978483083 has 8 divisors (see below), whose sum is σ = 21692148960. Its totient is φ = 16265430720.

The previous prime is 18978483067. The next prime is 18978483101. The reversal of 18978483083 is 38038487981.

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

It is not a de Polignac number, because 18978483083 - 2⁴ = 18978483067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18978483283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85058 + ... + 212583.

It is an arithmetic number, because the mean of its divisors is an integer number (2711518620).

Almost surely, 2^18978483083 is an apocalyptic number.

18978483083 is a deficient number, since it is larger than the sum of its proper divisors (2713665877).

18978483083 is an equidigital number, since it uses as much as digits as its factorization.

18978483083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306757.

The product of its (nonzero) digits is 9289728, while the sum is 59.

The spelling of 18978483083 in words is "eighteen billion, nine hundred seventy-eight million, four hundred eighty-three thousand, eighty-three".