4019421863 has 2 divisors, whose sum is σ = 4019421864. Its totient is φ = 4019421862.

The previous prime is 4019421817. The next prime is 4019421869. The reversal of 4019421863 is 3681249104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4019421863 - 2³⁰ = 2945680039 is a prime.

It is a super-2 number, since 2×4019421863² = 32311504225524781538, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4019421869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2009710931 + 2009710932.

It is an arithmetic number, because the mean of its divisors is an integer number (2009710932).

Almost surely, 2^4019421863 is an apocalyptic number.

4019421863 is a deficient number, since it is larger than the sum of its proper divisors (1).

4019421863 is an equidigital number, since it uses as much as digits as its factorization.

4019421863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 4019421863 is about 63398.9105821228. The cubic root of 4019421863 is about 1589.9660954230.

The spelling of 4019421863 in words is "four billion, nineteen million, four hundred twenty-one thousand, eight hundred sixty-three".