18535373046 has 40 divisors (see below), whose sum is σ = 41914041840. Its totient is φ = 6121768752.

The previous prime is 18535373027. The next prime is 18535373093. The reversal of 18535373046 is 64037353581.

18535373046 is a `hidden beast` number, since 1 + 8 + 535 + 3 + 73 + 0 + 46 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 18535372992 and 18535373010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 507186 + ... + 542501.

It is an arithmetic number, because the mean of its divisors is an integer number (1047851046).

Almost surely, 2^18535373046 is an apocalyptic number.

18535373046 is an abundant number, since it is smaller than the sum of its proper divisors (23378668794).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18535373046 is a wasteful number, since it uses less digits than its factorization.

18535373046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1049810 (or 1049801 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The spelling of 18535373046 in words is "eighteen billion, five hundred thirty-five million, three hundred seventy-three thousand, forty-six".