3219438125 has 20 divisors (see below), whose sum is σ = 4062921324. Its totient is φ = 2550000000.

The previous prime is 3219438107. The next prime is 3219438193. The reversal of 3219438125 is 5218349123.

It can be written as a sum of positive squares in 10 ways, for example, as 1060348969 + 2159089156 = 32563^2 + 46466^2 .

It is not a de Polignac number, because 3219438125 - 2²⁸ = 2951002669 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 37625 + ... + 88625.

Almost surely, 2^3219438125 is an apocalyptic number.

It is an amenable number.

3219438125 is a deficient number, since it is larger than the sum of its proper divisors (843483199).

3219438125 is an equidigital number, since it uses as much as digits as its factorization.

3219438125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51122 (or 51107 counting only the distinct ones).

The product of its digits is 51840, while the sum is 38.

The square root of 3219438125 is about 56740.0927475449. The cubic root of 3219438125 is about 1476.5903558941.

The spelling of 3219438125 in words is "three billion, two hundred nineteen million, four hundred thirty-eight thousand, one hundred twenty-five".