18969000190 has 32 divisors (see below), whose sum is σ = 39099594240. Its totient is φ = 6490715424.

The previous prime is 18969000179. The next prime is 18969000199. The reversal of 18969000190 is 9100096981.

It is a super-2 number, since 2×18969000190² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18969000199) 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, 234160 + ... + 304579.

It is an arithmetic number, because the mean of its divisors is an integer number (1221862320).

Almost surely, 2^18969000190 is an apocalyptic number.

18969000190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18969000190 is an abundant number, since it is smaller than the sum of its proper divisors (20130594050).

18969000190 is a wasteful number, since it uses less digits than its factorization.

18969000190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539256.

The product of its (nonzero) digits is 34992, while the sum is 43.

The spelling of 18969000190 in words is "eighteen billion, nine hundred sixty-nine million, one hundred ninety", and thus it is an aban number.