3679821897 has 4 divisors (see below), whose sum is σ = 4906429200. Its totient is φ = 2453214596.

The previous prime is 3679821883. The next prime is 3679821967. The reversal of 3679821897 is 7981289763.

3679821897 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 3679821897 - 2²⁰ = 3678773321 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3679821897.

It is not an unprimeable number, because it can be changed into a prime (3679821097) 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, 613303647 + ... + 613303652.

It is an arithmetic number, because the mean of its divisors is an integer number (1226607300).

Almost surely, 2^3679821897 is an apocalyptic number.

It is an amenable number.

3679821897 is a deficient number, since it is larger than the sum of its proper divisors (1226607303).

3679821897 is a wasteful number, since it uses less digits than its factorization.

3679821897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1226607302.

The product of its digits is 9144576, while the sum is 60.

The square root of 3679821897 is about 60661.5355641448. The cubic root of 3679821897 is about 1543.8636186609.

The spelling of 3679821897 in words is "three billion, six hundred seventy-nine million, eight hundred twenty-one thousand, eight hundred ninety-seven".