18101793982398 has 32 divisors (see below), whose sum is σ = 41510302842624. Its totient is φ = 5155094420352.

The previous prime is 18101793982369. The next prime is 18101793982417. The reversal of 18101793982398 is 89328939710181.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 701933515 + ... + 701959302.

It is an arithmetic number, because the mean of its divisors is an integer number (1297196963832).

Almost surely, 2^{18101793982398} is an apocalyptic number.

18101793982398 is an abundant number, since it is smaller than the sum of its proper divisors (23408508860226).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18101793982398 is a wasteful number, since it uses less digits than its factorization.

18101793982398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1403893136.

The product of its (nonzero) digits is 47029248, while the sum is 69.

The spelling of 18101793982398 in words is "eighteen trillion, one hundred one billion, seven hundred ninety-three million, nine hundred eighty-two thousand, three hundred ninety-eight".