1838198922625 has 64 divisors (see below), whose sum is σ = 2524264823808. Its totient is φ = 1327946400000.

The previous prime is 1838198922619. The next prime is 1838198922667. The reversal of 1838198922625 is 5262298918381.

It is not a de Polignac number, because 1838198922625 - 2²¹ = 1838196825473 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 226906075 + ... + 226914175.

It is an arithmetic number, because the mean of its divisors is an integer number (39441637872).

Almost surely, 2^{1838198922625} is an apocalyptic number.

It is an amenable number.

1838198922625 is a deficient number, since it is larger than the sum of its proper divisors (686065901183).

1838198922625 is a wasteful number, since it uses less digits than its factorization.

1838198922625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11147 (or 11137 counting only the distinct ones).

The product of its digits is 29859840, while the sum is 64.

The spelling of 1838198922625 in words is "one trillion, eight hundred thirty-eight billion, one hundred ninety-eight million, nine hundred twenty-two thousand, six hundred twenty-five".