18663700035 has 16 divisors (see below), whose sum is σ = 29873723904. Its totient is φ = 9950038752.

The previous prime is 18663699959. The next prime is 18663700039. The reversal of 18663700035 is 53000736681.

It is not a de Polignac number, because 18663700035 - 2¹⁴ = 18663683651 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18663699966 and 18663700002.

It is not an unprimeable number, because it can be changed into a prime (18663700039) 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, 206497 + ... + 282786.

It is an arithmetic number, because the mean of its divisors is an integer number (1867107744).

Almost surely, 2^18663700035 is an apocalyptic number.

18663700035 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

18663700035 is a deficient number, since it is larger than the sum of its proper divisors (11210023869).

18663700035 is a wasteful number, since it uses less digits than its factorization.

18663700035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491834.

The product of its (nonzero) digits is 90720, while the sum is 39.

The spelling of 18663700035 in words is "eighteen billion, six hundred sixty-three million, seven hundred thousand, thirty-five".