10187326813 has 2 divisors, whose sum is σ = 10187326814. Its totient is φ = 10187326812.

The previous prime is 10187326801. The next prime is 10187326847. The reversal of 10187326813 is 31862378101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10058685849 + 128640964 = 100293^2 + 11342^2 .

It is a cyclic number.

It is not a de Polignac number, because 10187326813 - 2⁹ = 10187326301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10187326873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5093663406 + 5093663407.

It is an arithmetic number, because the mean of its divisors is an integer number (5093663407).

Almost surely, 2^10187326813 is an apocalyptic number.

It is an amenable number.

10187326813 is a deficient number, since it is larger than the sum of its proper divisors (1).

10187326813 is an equidigital number, since it uses as much as digits as its factorization.

10187326813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 40.

The spelling of 10187326813 in words is "ten billion, one hundred eighty-seven million, three hundred twenty-six thousand, eight hundred thirteen".