3825642045 has 16 divisors (see below), whose sum is σ = 6212387520. Its totient is φ = 2009889024.

The previous prime is 3825642019. The next prime is 3825642053. The reversal of 3825642045 is 5402465283.

It is not a de Polignac number, because 3825642045 - 2⁷ = 3825641917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3825641994 and 3825642012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1902300 + ... + 1904309.

It is an arithmetic number, because the mean of its divisors is an integer number (388274220).

Almost surely, 2^3825642045 is an apocalyptic number.

It is an amenable number.

3825642045 is a deficient number, since it is larger than the sum of its proper divisors (2386745475).

3825642045 is a wasteful number, since it uses less digits than its factorization.

3825642045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3806684.

The product of its (nonzero) digits is 230400, while the sum is 39.

The square root of 3825642045 is about 61851.7747926444. The cubic root of 3825642045 is about 1563.9929003554.

The spelling of 3825642045 in words is "three billion, eight hundred twenty-five million, six hundred forty-two thousand, forty-five".