3781879199 has 4 divisors (see below), whose sum is σ = 4322147664. Its totient is φ = 3241610736.

The previous prime is 3781879181. The next prime is 3781879229. The reversal of 3781879199 is 9919781873.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9919781873 = 761 ⋅13035193.

It is not a de Polignac number, because 3781879199 - 2¹² = 3781875103 is a prime.

It is a super-2 number, since 2×3781879199² = 28605220551657763202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3781819199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 270134222 + ... + 270134235.

It is an arithmetic number, because the mean of its divisors is an integer number (1080536916).

Almost surely, 2^3781879199 is an apocalyptic number.

3781879199 is a deficient number, since it is larger than the sum of its proper divisors (540268465).

3781879199 is an equidigital number, since it uses as much as digits as its factorization.

3781879199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540268464.

The product of its digits is 6858432, while the sum is 62.

The square root of 3781879199 is about 61496.9852838332. The cubic root of 3781879199 is about 1558.0063287875.

The spelling of 3781879199 in words is "three billion, seven hundred eighty-one million, eight hundred seventy-nine thousand, one hundred ninety-nine".