2124312416819 has 2 divisors, whose sum is σ = 2124312416820. Its totient is φ = 2124312416818.

The previous prime is 2124312416813. The next prime is 2124312416839. The reversal of 2124312416819 is 9186142134212.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2124312416819 is a prime.

It is a super-2 number, since 2×2124312416819² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2124312416819.

It is not a weakly prime, because it can be changed into another prime (2124312416813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1062156208409 + 1062156208410.

It is an arithmetic number, because the mean of its divisors is an integer number (1062156208410).

Almost surely, 2^{2124312416819} is an apocalyptic number.

2124312416819 is a deficient number, since it is larger than the sum of its proper divisors (1).

2124312416819 is an equidigital number, since it uses as much as digits as its factorization.

2124312416819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 44.

The spelling of 2124312416819 in words is "two trillion, one hundred twenty-four billion, three hundred twelve million, four hundred sixteen thousand, eight hundred nineteen".