10640342873 has 2 divisors, whose sum is σ = 10640342874. Its totient is φ = 10640342872.

The previous prime is 10640342861. The next prime is 10640342903. The reversal of 10640342873 is 37824304601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10512811024 + 127531849 = 102532^2 + 11293^2 .

It is a cyclic number.

It is not a de Polignac number, because 10640342873 - 2¹⁰ = 10640341849 is a prime.

It is a super-2 number, since 2×10640342873² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (10640342813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5320171436 + 5320171437.

It is an arithmetic number, because the mean of its divisors is an integer number (5320171437).

Almost surely, 2^10640342873 is an apocalyptic number.

It is an amenable number.

10640342873 is a deficient number, since it is larger than the sum of its proper divisors (1).

10640342873 is an equidigital number, since it uses as much as digits as its factorization.

10640342873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 38.

The spelling of 10640342873 in words is "ten billion, six hundred forty million, three hundred forty-two thousand, eight hundred seventy-three".