18213996759 has 16 divisors (see below), whose sum is σ = 28105989120. Its totient is φ = 10276250400.

The previous prime is 18213996739. The next prime is 18213996767. The reversal of 18213996759 is 95769931281.

It is not a de Polignac number, because 18213996759 - 2¹⁵ = 18213963991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18213996739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5487792 + ... + 5491109.

It is an arithmetic number, because the mean of its divisors is an integer number (1756624320).

Almost surely, 2^18213996759 is an apocalyptic number.

18213996759 is a deficient number, since it is larger than the sum of its proper divisors (9891992361).

18213996759 is a wasteful number, since it uses less digits than its factorization.

18213996759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10978990.

The product of its digits is 7348320, while the sum is 60.

The spelling of 18213996759 in words is "eighteen billion, two hundred thirteen million, nine hundred ninety-six thousand, seven hundred fifty-nine".