10643867099993 has 2 divisors, whose sum is σ = 10643867099994. Its totient is φ = 10643867099992.

The previous prime is 10643867099939. The next prime is 10643867100059. The reversal of 10643867099993 is 39999076834601.

Together with previous prime (10643867099939) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6612236816329 + 4031630283664 = 2571427^2 + 2007892^2 .

It is a cyclic number.

It is not a de Polignac number, because 10643867099993 - 2³² = 10639572132697 is a prime.

It is a super-2 number, since 2×10643867099993² (a number of 27 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 10643867099993.

It is not a weakly prime, because it can be changed into another prime (10643867099933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5321933549996 + 5321933549997.

It is an arithmetic number, because the mean of its divisors is an integer number (5321933549997).

Almost surely, 2^{10643867099993} is an apocalyptic number.

It is an amenable number.

10643867099993 is a deficient number, since it is larger than the sum of its proper divisors (1).

10643867099993 is an equidigital number, since it uses as much as digits as its factorization.

10643867099993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 476171136, while the sum is 74.

The spelling of 10643867099993 in words is "ten trillion, six hundred forty-three billion, eight hundred sixty-seven million, ninety-nine thousand, nine hundred ninety-three".