1864373825 has 12 divisors (see below), whose sum is σ = 2346330480. Its totient is φ = 1469236560.

The previous prime is 1864373801. The next prime is 1864373839. The reversal of 1864373825 is 5283734681.

It is not a de Polignac number, because 1864373825 - 2⁶ = 1864373761 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1864373825.

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, 554855 + ... + 558204.

It is an arithmetic number, because the mean of its divisors is an integer number (195527540).

Almost surely, 2^1864373825 is an apocalyptic number.

It is an amenable number.

1864373825 is a deficient number, since it is larger than the sum of its proper divisors (481956655).

1864373825 is a wasteful number, since it uses less digits than its factorization.

1864373825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113136 (or 1113131 counting only the distinct ones).

The product of its digits is 967680, while the sum is 47.

The square root of 1864373825 is about 43178.3953499896. The cubic root of 1864373825 is about 1230.7721648092.

The spelling of 1864373825 in words is "one billion, eight hundred sixty-four million, three hundred seventy-three thousand, eight hundred twenty-five".