3821900545 has 8 divisors (see below), whose sum is σ = 4596636096. Its totient is φ = 3050616816.

The previous prime is 3821900531. The next prime is 3821900549. The reversal of 3821900545 is 5450091283.

3821900545 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3821900545 - 2⁷ = 3821900417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3821900549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 860517 + ... + 864946.

It is an arithmetic number, because the mean of its divisors is an integer number (574579512).

Almost surely, 2^3821900545 is an apocalyptic number.

It is an amenable number.

3821900545 is a deficient number, since it is larger than the sum of its proper divisors (774735551).

3821900545 is a wasteful number, since it uses less digits than its factorization.

3821900545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1725911.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 3821900545 is about 61821.5216975448. The cubic root of 3821900545 is about 1563.4828693538.

The spelling of 3821900545 in words is "three billion, eight hundred twenty-one million, nine hundred thousand, five hundred forty-five".