18104758693 has 8 divisors (see below), whose sum is σ = 20999976512. Its totient is φ = 15286746816.

The previous prime is 18104758687. The next prime is 18104758699. The reversal of 18104758693 is 39685740181.

It is an interprime number because it is at equal distance from previous prime (18104758687) and next prime (18104758699).

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 18104758693 - 2²¹ = 18102661541 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 18104758693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18104758699) 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, 19300980 + ... + 19301917.

It is an arithmetic number, because the mean of its divisors is an integer number (2624997064).

Almost surely, 2^18104758693 is an apocalyptic number.

It is an amenable number.

18104758693 is a deficient number, since it is larger than the sum of its proper divisors (2895217819).

18104758693 is an equidigital number, since it uses as much as digits as its factorization.

18104758693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38602971.

The product of its (nonzero) digits is 1451520, while the sum is 52.

The spelling of 18104758693 in words is "eighteen billion, one hundred four million, seven hundred fifty-eight thousand, six hundred ninety-three".