18890574035 has 16 divisors (see below), whose sum is σ = 23363687136. Its totient is φ = 14652016128.

The previous prime is 18890574013. The next prime is 18890574077. The reversal of 18890574035 is 53047509881.

It is a cyclic number.

It is not a de Polignac number, because 18890574035 - 2⁶ = 18890573971 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128054 + ... + 232763.

It is an arithmetic number, because the mean of its divisors is an integer number (1460230446).

Almost surely, 2^18890574035 is an apocalyptic number.

18890574035 is a deficient number, since it is larger than the sum of its proper divisors (4473113101).

18890574035 is a wasteful number, since it uses less digits than its factorization.

18890574035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361142.

The product of its (nonzero) digits is 1209600, while the sum is 50.

The spelling of 18890574035 in words is "eighteen billion, eight hundred ninety million, five hundred seventy-four thousand, thirty-five".