2125386804 has 24 divisors (see below), whose sum is σ = 4960250848. Its totient is φ = 708317280.

The previous prime is 2125386719. The next prime is 2125386811. The reversal of 2125386804 is 4086835212.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent 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, 54639 + ... + 85065.

Almost surely, 2^2125386804 is an apocalyptic number.

It is an amenable number.

2125386804 is an abundant number, since it is smaller than the sum of its proper divisors (2834864044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2125386804 is a wasteful number, since it uses less digits than its factorization.

2125386804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36255 (or 36253 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 2125386804 is about 46101.9175740012. The cubic root of 2125386804 is about 1285.7187970283.

The spelling of 2125386804 in words is "two billion, one hundred twenty-five million, three hundred eighty-six thousand, eight hundred four".