4001286218819 has 2 divisors, whose sum is σ = 4001286218820. Its totient is φ = 4001286218818.

The previous prime is 4001286218807. The next prime is 4001286218863. The reversal of 4001286218819 is 9188126821004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4001286218819 - 2⁴ = 4001286218803 is a prime.

It is a super-2 number, since 2×4001286218819² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4001286218119) 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, 2000643109409 + 2000643109410.

It is an arithmetic number, because the mean of its divisors is an integer number (2000643109410).

Almost surely, 2^{4001286218819} is an apocalyptic number.

4001286218819 is a deficient number, since it is larger than the sum of its proper divisors (1).

4001286218819 is an equidigital number, since it uses as much as digits as its factorization.

4001286218819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 442368, while the sum is 50.

The spelling of 4001286218819 in words is "four trillion, one billion, two hundred eighty-six million, two hundred eighteen thousand, eight hundred nineteen".