18425812629 has 16 divisors (see below), whose sum is σ = 28093233152. Its totient is φ = 10523109168.

The previous prime is 18425812597. The next prime is 18425812637. The reversal of 18425812629 is 92621852481.

It is not a de Polignac number, because 18425812629 - 2⁵ = 18425812597 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18425812429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208609 + ... + 283494.

It is an arithmetic number, because the mean of its divisors is an integer number (1755827072).

Almost surely, 2^18425812629 is an apocalyptic number.

It is an amenable number.

18425812629 is a deficient number, since it is larger than the sum of its proper divisors (9667420523).

18425812629 is a wasteful number, since it uses less digits than its factorization.

18425812629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493896.

The product of its digits is 552960, while the sum is 48.

The spelling of 18425812629 in words is "eighteen billion, four hundred twenty-five million, eight hundred twelve thousand, six hundred twenty-nine".