1828425985 has 8 divisors (see below), whose sum is σ = 2211388416. Its totient is φ = 1451222640.

The previous prime is 1828425967. The next prime is 1828426021. The reversal of 1828425985 is 5895248281.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1828425985 - 2²⁹ = 1291555073 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1439071 + ... + 1440340.

It is an arithmetic number, because the mean of its divisors is an integer number (276423552).

Almost surely, 2^1828425985 is an apocalyptic number.

It is an amenable number.

1828425985 is a deficient number, since it is larger than the sum of its proper divisors (382962431).

1828425985 is a wasteful number, since it uses less digits than its factorization.

1828425985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2879543.

The product of its digits is 1843200, while the sum is 52.

The square root of 1828425985 is about 42760.0980471280. The cubic root of 1828425985 is about 1222.8104126551.

The spelling of 1828425985 in words is "one billion, eight hundred twenty-eight million, four hundred twenty-five thousand, nine hundred eighty-five".