1825646473 has 8 divisors (see below), whose sum is σ = 2209185792. Its totient is φ = 1472790336.

The previous prime is 1825646467. The next prime is 1825646509. The reversal of 1825646473 is 3746465281.

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

It is a cyclic number.

It is not a de Polignac number, because 1825646473 - 2⁵ = 1825646441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1825646423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7670665 + ... + 7670902.

It is an arithmetic number, because the mean of its divisors is an integer number (276148224).

Almost surely, 2^1825646473 is an apocalyptic number.

It is an amenable number.

1825646473 is a deficient number, since it is larger than the sum of its proper divisors (383539319).

1825646473 is a wasteful number, since it uses less digits than its factorization.

1825646473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15341591.

The product of its digits is 967680, while the sum is 46.

The square root of 1825646473 is about 42727.5844507971. The cubic root of 1825646473 is about 1222.1904732546.

The spelling of 1825646473 in words is "one billion, eight hundred twenty-five million, six hundred forty-six thousand, four hundred seventy-three".