18049474759 has 8 divisors (see below), whose sum is σ = 18401196240. Its totient is φ = 17699280000.

The previous prime is 18049474747. The next prime is 18049474777. The reversal of 18049474759 is 95747494081.

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 18049474759 - 2⁵ = 18049474727 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 (18049474789) 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, 357792 + ... + 405109.

It is an arithmetic number, because the mean of its divisors is an integer number (2300149530).

Almost surely, 2^18049474759 is an apocalyptic number.

18049474759 is a deficient number, since it is larger than the sum of its proper divisors (351721481).

18049474759 is an equidigital number, since it uses as much as digits as its factorization.

18049474759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763361.

The product of its (nonzero) digits is 10160640, while the sum is 58.

The spelling of 18049474759 in words is "eighteen billion, forty-nine million, four hundred seventy-four thousand, seven hundred fifty-nine".