3678864019 has 2 divisors, whose sum is σ = 3678864020. Its totient is φ = 3678864018.

The previous prime is 3678863963. The next prime is 3678864071. The reversal of 3678864019 is 9104688763.

It is a happy number.

It is an a-pointer prime, because the next prime (3678864071) can be obtained adding 3678864019 to its sum of digits (52).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3678864019 - 2⁷ = 3678863891 is a prime.

It is a super-2 number, since 2×3678864019² = 27068080940585664722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3678867019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1839432009 + 1839432010.

It is an arithmetic number, because the mean of its divisors is an integer number (1839432010).

Almost surely, 2^3678864019 is an apocalyptic number.

3678864019 is a deficient number, since it is larger than the sum of its proper divisors (1).

3678864019 is an equidigital number, since it uses as much as digits as its factorization.

3678864019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1741824, while the sum is 52.

The square root of 3678864019 is about 60653.6397836107. The cubic root of 3678864019 is about 1543.7296482885.

The spelling of 3678864019 in words is "three billion, six hundred seventy-eight million, eight hundred sixty-four thousand, nineteen".