18035859536 has 10 divisors (see below), whose sum is σ = 34944477882. Its totient is φ = 9017929760.

The previous prime is 18035859473. The next prime is 18035859547. The reversal of 18035859536 is 63595853081.

It can be written as a sum of positive squares in only one way, i.e., 17044869136 + 990990400 = 130556^2 + 31480^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 563620595 + ... + 563620626.

Almost surely, 2^18035859536 is an apocalyptic number.

18035859536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

18035859536 is a deficient number, since it is larger than the sum of its proper divisors (16908618346).

18035859536 is a wasteful number, since it uses less digits than its factorization.

18035859536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127241229 (or 1127241223 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 53.

The spelling of 18035859536 in words is "eighteen billion, thirty-five million, eight hundred fifty-nine thousand, five hundred thirty-six".