18743966285 has 32 divisors (see below), whose sum is σ = 25621142400. Its totient is φ = 13038780160.

The previous prime is 18743966281. The next prime is 18743966287. The reversal of 18743966285 is 58266934781.

It is not a de Polignac number, because 18743966285 - 2² = 18743966281 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18743966281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 115751 + ... + 225579.

It is an arithmetic number, because the mean of its divisors is an integer number (800660700).

Almost surely, 2^18743966285 is an apocalyptic number.

It is an amenable number.

18743966285 is a deficient number, since it is larger than the sum of its proper divisors (6877176115).

18743966285 is a wasteful number, since it uses less digits than its factorization.

18743966285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109981.

The product of its digits is 17418240, while the sum is 59.

The spelling of 18743966285 in words is "eighteen billion, seven hundred forty-three million, nine hundred sixty-six thousand, two hundred eighty-five".