18735699094 has 48 divisors (see below), whose sum is σ = 34434324720. Its totient is φ = 7602154560.

The previous prime is 18735699083. The next prime is 18735699107. The reversal of 18735699094 is 49099653781.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5325424 + ... + 5328940.

It is an arithmetic number, because the mean of its divisors is an integer number (717381765).

Almost surely, 2^18735699094 is an apocalyptic number.

18735699094 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18735699094 is a deficient number, since it is larger than the sum of its proper divisors (15698625626).

18735699094 is a wasteful number, since it uses less digits than its factorization.

18735699094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6413 (or 6406 counting only the distinct ones).

The product of its (nonzero) digits is 14696640, while the sum is 61.

The spelling of 18735699094 in words is "eighteen billion, seven hundred thirty-five million, six hundred ninety-nine thousand, ninety-four".