18871714730 has 16 divisors (see below), whose sum is σ = 37057185504. Its totient is φ = 6862441680.

The previous prime is 18871714727. The next prime is 18871714769. The reversal of 18871714730 is 3741717881.

It is a super-2 number, since 2×18871714730² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85780412 + ... + 85780631.

It is an arithmetic number, because the mean of its divisors is an integer number (2316074094).

Almost surely, 2^18871714730 is an apocalyptic number.

18871714730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18871714730 is a deficient number, since it is larger than the sum of its proper divisors (18185470774).

18871714730 is a wasteful number, since it uses less digits than its factorization.

18871714730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171561061.

The product of its (nonzero) digits is 263424, while the sum is 47.

The spelling of 18871714730 in words is "eighteen billion, eight hundred seventy-one million, seven hundred fourteen thousand, seven hundred thirty".