12802469893 has 2 divisors, whose sum is σ = 12802469894. Its totient is φ = 12802469892.

The previous prime is 12802469881. The next prime is 12802469909. The reversal of 12802469893 is 39896420821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12485380644 + 317089249 = 111738^2 + 17807^2 .

It is a cyclic number.

It is not a de Polignac number, because 12802469893 - 2⁵ = 12802469861 is a prime.

It is a super-2 number, since 2×12802469893² (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 12802469893.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12802469873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6401234946 + 6401234947.

It is an arithmetic number, because the mean of its divisors is an integer number (6401234947).

Almost surely, 2^12802469893 is an apocalyptic number.

It is an amenable number.

12802469893 is a deficient number, since it is larger than the sum of its proper divisors (1).

12802469893 is an equidigital number, since it uses as much as digits as its factorization.

12802469893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1492992, while the sum is 52.

The spelling of 12802469893 in words is "twelve billion, eight hundred two million, four hundred sixty-nine thousand, eight hundred ninety-three".