18797048699 has 48 divisors (see below), whose sum is σ = 23534128800. Its totient is φ = 14798192640.

The previous prime is 18797048663. The next prime is 18797048713. The reversal of 18797048699 is 99684079781.

It is not a de Polignac number, because 18797048699 - 2⁸ = 18797048443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18797048629) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18555317 + ... + 18556329.

It is an arithmetic number, because the mean of its divisors is an integer number (490294350).

Almost surely, 2^18797048699 is an apocalyptic number.

18797048699 is a deficient number, since it is larger than the sum of its proper divisors (4737080101).

18797048699 is a wasteful number, since it uses less digits than its factorization.

18797048699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1520 (or 1503 counting only the distinct ones).

The product of its (nonzero) digits is 54867456, while the sum is 68.

The spelling of 18797048699 in words is "eighteen billion, seven hundred ninety-seven million, forty-eight thousand, six hundred ninety-nine".