3423189778725 has 24 divisors (see below), whose sum is σ = 5752455312352. Its totient is φ = 1795771684800.

The previous prime is 3423189778633. The next prime is 3423189778741. The reversal of 3423189778725 is 5278779813243.

It is not a de Polignac number, because 3423189778725 - 2⁷ = 3423189778597 is a prime.

It is a super-2 number, since 2×3423189778725² (a number of 26 digits) contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 374114527 + ... + 374123676.

Almost surely, 2^{3423189778725} is an apocalyptic number.

It is an amenable number.

3423189778725 is a deficient number, since it is larger than the sum of its proper divisors (2329265533627).

3423189778725 is a wasteful number, since it uses less digits than its factorization.

3423189778725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748238277 (or 748238272 counting only the distinct ones).

The product of its digits is 142248960, while the sum is 66.

The spelling of 3423189778725 in words is "three trillion, four hundred twenty-three billion, one hundred eighty-nine million, seven hundred seventy-eight thousand, seven hundred twenty-five".