1838829425 has 12 divisors (see below), whose sum is σ = 2333176560. Its totient is φ = 1436851920.

The previous prime is 1838829403. The next prime is 1838829479. The reversal of 1838829425 is 5249288381.

It is not a de Polignac number, because 1838829425 - 2¹⁰ = 1838828401 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 854195 + ... + 856344.

It is an arithmetic number, because the mean of its divisors is an integer number (194431380).

Almost surely, 2^1838829425 is an apocalyptic number.

It is an amenable number.

1838829425 is a deficient number, since it is larger than the sum of its proper divisors (494347135).

1838829425 is a wasteful number, since it uses less digits than its factorization.

1838829425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1710592 (or 1710587 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 50.

The square root of 1838829425 is about 42881.5744230549. The cubic root of 1838829425 is about 1225.1252239057.

The spelling of 1838829425 in words is "one billion, eight hundred thirty-eight million, eight hundred twenty-nine thousand, four hundred twenty-five".