3919395625 has 20 divisors (see below), whose sum is σ = 4901821540. Its totient is φ = 3132864000.

The previous prime is 3919395593. The next prime is 3919395671. The reversal of 3919395625 is 5265939193.

It can be written as a sum of positive squares in 10 ways, for example, as 3645261376 + 274134249 = 60376^2 + 16557^2 .

It is not a de Polignac number, because 3919395625 - 2⁵ = 3919395593 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1108861 + ... + 1112389.

It is an arithmetic number, because the mean of its divisors is an integer number (245091077).

Almost surely, 2^3919395625 is an apocalyptic number.

It is an amenable number.

3919395625 is a deficient number, since it is larger than the sum of its proper divisors (982425915).

3919395625 is an equidigital number, since it uses as much as digits as its factorization.

3919395625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5326 (or 5311 counting only the distinct ones).

The product of its digits is 1968300, while the sum is 52.

The square root of 3919395625 is about 62605.0766711454. The cubic root of 3919395625 is about 1576.6659955916.

The spelling of 3919395625 in words is "three billion, nine hundred nineteen million, three hundred ninety-five thousand, six hundred twenty-five".