18982278130 has 64 divisors (see below), whose sum is σ = 36551865600. Its totient is φ = 7076643840.

The previous prime is 18982278121. The next prime is 18982278131. The reversal of 18982278130 is 3187228981.

It is not an unprimeable number, because it can be changed into a prime (18982278131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7674574 + ... + 7677046.

It is an arithmetic number, because the mean of its divisors is an integer number (571122900).

Almost surely, 2^18982278130 is an apocalyptic number.

18982278130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18982278130 is a deficient number, since it is larger than the sum of its proper divisors (17569587470).

18982278130 is a wasteful number, since it uses less digits than its factorization.

18982278130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3139.

The product of its (nonzero) digits is 387072, while the sum is 49.

The spelling of 18982278130 in words is "eighteen billion, nine hundred eighty-two million, two hundred seventy-eight thousand, one hundred thirty".