18246980093 has 8 divisors (see below), whose sum is σ = 18694766208. Its totient is φ = 17801675424.

The previous prime is 18246980053. The next prime is 18246980123. The reversal of 18246980093 is 39008964281.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 18246980093 - 2²² = 18242785789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18246980023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 605471 + ... + 634892.

It is an arithmetic number, because the mean of its divisors is an integer number (2336845776).

Almost surely, 2^18246980093 is an apocalyptic number.

It is an amenable number.

18246980093 is a deficient number, since it is larger than the sum of its proper divisors (447786115).

18246980093 is a wasteful number, since it uses less digits than its factorization.

18246980093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240723.

The product of its (nonzero) digits is 746496, while the sum is 50.

The spelling of 18246980093 in words is "eighteen billion, two hundred forty-six million, nine hundred eighty thousand, ninety-three".