18984482951 has 16 divisors (see below), whose sum is σ = 21783810048. Its totient is φ = 16207106400.

The previous prime is 18984482899. The next prime is 18984482971. The reversal of 18984482951 is 15928448981.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18984482951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18984482971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1837466 + ... + 1847768.

It is an arithmetic number, because the mean of its divisors is an integer number (1361488128).

Almost surely, 2^18984482951 is an apocalyptic number.

18984482951 is a deficient number, since it is larger than the sum of its proper divisors (2799327097).

18984482951 is a wasteful number, since it uses less digits than its factorization.

18984482951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11342.

The product of its digits is 6635520, while the sum is 59.

The spelling of 18984482951 in words is "eighteen billion, nine hundred eighty-four million, four hundred eighty-two thousand, nine hundred fifty-one".