18406753375 has 24 divisors (see below), whose sum is σ = 24013905552. Its totient is φ = 14085117200.

The previous prime is 18406753369. The next prime is 18406753423. The reversal of 18406753375 is 57335760481.

It is not a de Polignac number, because 18406753375 - 2⁹ = 18406752863 is a prime.

It is a Duffinian number.

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, 73057 + ... + 205306.

It is an arithmetic number, because the mean of its divisors is an integer number (1000579398).

Almost surely, 2^18406753375 is an apocalyptic number.

18406753375 is a deficient number, since it is larger than the sum of its proper divisors (5607152177).

18406753375 is an equidigital number, since it uses as much as digits as its factorization.

18406753375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278424 (or 278391 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 49.

The spelling of 18406753375 in words is "eighteen billion, four hundred six million, seven hundred fifty-three thousand, three hundred seventy-five".