1946384657825 has 12 divisors (see below), whose sum is σ = 2413667466288. Its totient is φ = 1557010635600.

The previous prime is 1946384657813. The next prime is 1946384657887. The reversal of 1946384657825 is 5287564836491.

It is not a de Polignac number, because 1946384657825 - 2⁴ = 1946384657809 is a prime.

It is a Duffinian number.

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, 2016947 + ... + 2821496.

It is an arithmetic number, because the mean of its divisors is an integer number (201138955524).

Almost surely, 2^{1946384657825} is an apocalyptic number.

It is an amenable number.

1946384657825 is a deficient number, since it is larger than the sum of its proper divisors (467282808463).

1946384657825 is a wasteful number, since it uses less digits than its factorization.

1946384657825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4854544 (or 4854539 counting only the distinct ones).

The product of its digits is 348364800, while the sum is 68.

The spelling of 1946384657825 in words is "one trillion, nine hundred forty-six billion, three hundred eighty-four million, six hundred fifty-seven thousand, eight hundred twenty-five".