8400801895019 has 2 divisors, whose sum is σ = 8400801895020. Its totient is φ = 8400801895018.

The previous prime is 8400801895007. The next prime is 8400801895063. The reversal of 8400801895019 is 9105981080048.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8400801895019 is a prime.

It is a super-2 number, since 2×8400801895019² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8400801895099) 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, 4200400947509 + 4200400947510.

It is an arithmetic number, because the mean of its divisors is an integer number (4200400947510).

Almost surely, 2^{8400801895019} is an apocalyptic number.

8400801895019 is a deficient number, since it is larger than the sum of its proper divisors (1).

8400801895019 is an equidigital number, since it uses as much as digits as its factorization.

8400801895019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 829440, while the sum is 53.

The spelling of 8400801895019 in words is "eight trillion, four hundred billion, eight hundred one million, eight hundred ninety-five thousand, nineteen".