4019993019 has 48 divisors (see below), whose sum is σ = 6725537728. Its totient is φ = 2266361856.

The previous prime is 4019992961. The next prime is 4019993023. The reversal of 4019993019 is 9103999104.

It is not a de Polignac number, because 4019993019 - 2⁸ = 4019992763 is a prime.

It is a super-2 number, since 2×4019993019² = 32320687745617468722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4019993069) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2425239 + ... + 2426895.

Almost surely, 2^4019993019 is an apocalyptic number.

4019993019 is a deficient number, since it is larger than the sum of its proper divisors (2705544709).

4019993019 is a wasteful number, since it uses less digits than its factorization.

4019993019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2164 (or 2161 counting only the distinct ones).

The product of its (nonzero) digits is 78732, while the sum is 45.

The square root of 4019993019 is about 63403.4148843735. The cubic root of 4019993019 is about 1590.0414027429.

The spelling of 4019993019 in words is "four billion, nineteen million, nine hundred ninety-three thousand, nineteen".