18793890070 has 8 divisors (see below), whose sum is σ = 33829002144. Its totient is φ = 7517556024.

The previous prime is 18793890013. The next prime is 18793890079. The reversal of 18793890070 is 7009839781.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18793890079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 939694494 + ... + 939694513.

It is an arithmetic number, because the mean of its divisors is an integer number (4228625268).

Almost surely, 2^18793890070 is an apocalyptic number.

18793890070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18793890070 is a deficient number, since it is larger than the sum of its proper divisors (15035112074).

18793890070 is a wasteful number, since it uses less digits than its factorization.

18793890070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1879389014.

The product of its (nonzero) digits is 762048, while the sum is 52.

The spelling of 18793890070 in words is "eighteen billion, seven hundred ninety-three million, eight hundred ninety thousand, seventy".