4000019999399 has 2 divisors, whose sum is σ = 4000019999400. Its totient is φ = 4000019999398.

The previous prime is 4000019999369. The next prime is 4000019999447. The reversal of 4000019999399 is 9939999100004.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4000019999399 is a prime.

It is a super-2 number, since 2×4000019999399² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4000019999369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2000009999699 + 2000009999700.

It is an arithmetic number, because the mean of its divisors is an integer number (2000009999700).

Almost surely, 2^{4000019999399} is an apocalyptic number.

4000019999399 is a deficient number, since it is larger than the sum of its proper divisors (1).

4000019999399 is an equidigital number, since it uses as much as digits as its factorization.

4000019999399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6377292, while the sum is 62.

The spelling of 4000019999399 in words is "four trillion, nineteen million, nine hundred ninety-nine thousand, three hundred ninety-nine".