3799981919 has 2 divisors, whose sum is σ = 3799981920. Its totient is φ = 3799981918.

The previous prime is 3799981909. The next prime is 3799981979. The reversal of 3799981919 is 9191899973.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3799981919 - 2⁸ = 3799981663 is a prime.

It is a super-2 number, since 2×3799981919² = 28879725169453845122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3799981909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1899990959 + 1899990960.

It is an arithmetic number, because the mean of its divisors is an integer number (1899990960).

Almost surely, 2^3799981919 is an apocalyptic number.

3799981919 is a deficient number, since it is larger than the sum of its proper divisors (1).

3799981919 is an equidigital number, since it uses as much as digits as its factorization.

3799981919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9920232, while the sum is 65.

The square root of 3799981919 is about 61643.9933732395. The cubic root of 3799981919 is about 1560.4882756835.

The spelling of 3799981919 in words is "three billion, seven hundred ninety-nine million, nine hundred eighty-one thousand, nine hundred nineteen".