18397448035 has 8 divisors (see below), whose sum is σ = 23036804640. Its totient is φ = 14078047104.

The previous prime is 18397448021. The next prime is 18397448039. The reversal of 18397448035 is 53084479381.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18397448035 - 2¹⁷ = 18397316963 is a prime.

It is a super-2 number, since 2×18397448035² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18397448039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79988790 + ... + 79989019.

It is an arithmetic number, because the mean of its divisors is an integer number (2879600580).

Almost surely, 2^18397448035 is an apocalyptic number.

18397448035 is a deficient number, since it is larger than the sum of its proper divisors (4639356605).

18397448035 is a wasteful number, since it uses less digits than its factorization.

18397448035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159977837.

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 18397448035 in words is "eighteen billion, three hundred ninety-seven million, four hundred forty-eight thousand, thirty-five".