12433436819 has 2 divisors, whose sum is σ = 12433436820. Its totient is φ = 12433436818.

The previous prime is 12433436797. The next prime is 12433436831. The reversal of 12433436819 is 91863433421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12433436819 - 2⁸ = 12433436563 is a prime.

It is a super-2 number, since 2×12433436819² (a number of 21 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 12433436819.

It is not a weakly prime, because it can be changed into another prime (12433436419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6216718409 + 6216718410.

It is an arithmetic number, because the mean of its divisors is an integer number (6216718410).

Almost surely, 2^12433436819 is an apocalyptic number.

12433436819 is a deficient number, since it is larger than the sum of its proper divisors (1).

12433436819 is an equidigital number, since it uses as much as digits as its factorization.

12433436819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 373248, while the sum is 44.

The spelling of 12433436819 in words is "twelve billion, four hundred thirty-three million, four hundred thirty-six thousand, eight hundred nineteen".