10643429869 has 2 divisors, whose sum is σ = 10643429870. Its totient is φ = 10643429868.

The previous prime is 10643429851. The next prime is 10643429897. The reversal of 10643429869 is 96892434601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10457516644 + 185913225 = 102262^2 + 13635^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10643429869 is a prime.

It is a super-2 number, since 2×10643429869² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10643429569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5321714934 + 5321714935.

It is an arithmetic number, because the mean of its divisors is an integer number (5321714935).

Almost surely, 2^10643429869 is an apocalyptic number.

It is an amenable number.

10643429869 is a deficient number, since it is larger than the sum of its proper divisors (1).

10643429869 is an equidigital number, since it uses as much as digits as its factorization.

10643429869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2239488, while the sum is 52.

The spelling of 10643429869 in words is "ten billion, six hundred forty-three million, four hundred twenty-nine thousand, eight hundred sixty-nine".