3821299889 has 4 divisors (see below), whose sum is σ = 4168690800. Its totient is φ = 3473908980.

The previous prime is 3821299849. The next prime is 3821299901. The reversal of 3821299889 is 9889921283.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3821299889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3821299819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173695439 + ... + 173695460.

It is an arithmetic number, because the mean of its divisors is an integer number (1042172700).

Almost surely, 2^3821299889 is an apocalyptic number.

It is an amenable number.

3821299889 is a deficient number, since it is larger than the sum of its proper divisors (347390911).

3821299889 is a wasteful number, since it uses less digits than its factorization.

3821299889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347390910.

The product of its digits is 4478976, while the sum is 59.

The square root of 3821299889 is about 61816.6635220634. The cubic root of 3821299889 is about 1563.4009585734.

The spelling of 3821299889 in words is "three billion, eight hundred twenty-one million, two hundred ninety-nine thousand, eight hundred eighty-nine".