3654844425 has 36 divisors (see below), whose sum is σ = 6559763184. Its totient is φ = 1945221600.

The previous prime is 3654844421. The next prime is 3654844477. The reversal of 3654844425 is 5244484563.

It is not a de Polignac number, because 3654844425 - 2² = 3654844421 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3654844421) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 93934 + ... + 127016.

It is an arithmetic number, because the mean of its divisors is an integer number (182215644).

Almost surely, 2^3654844425 is an apocalyptic number.

It is an amenable number.

3654844425 is a deficient number, since it is larger than the sum of its proper divisors (2904918759).

3654844425 is a wasteful number, since it uses less digits than its factorization.

3654844425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33590 (or 33582 counting only the distinct ones).

The product of its digits is 1843200, while the sum is 45.

The square root of 3654844425 is about 60455.3093201912. The cubic root of 3654844425 is about 1540.3625987413.

The spelling of 3654844425 in words is "three billion, six hundred fifty-four million, eight hundred forty-four thousand, four hundred twenty-five".