15812868341 has 2 divisors, whose sum is σ = 15812868342. Its totient is φ = 15812868340.

The previous prime is 15812868287. The next prime is 15812868347. The reversal of 15812868341 is 14386821851.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11776807441 + 4036060900 = 108521^2 + 63530^2 .

It is a cyclic number.

It is not a de Polignac number, because 15812868341 - 2¹⁸ = 15812606197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15812868347) 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, 7906434170 + 7906434171.

It is an arithmetic number, because the mean of its divisors is an integer number (7906434171).

Almost surely, 2^15812868341 is an apocalyptic number.

It is an amenable number.

15812868341 is a deficient number, since it is larger than the sum of its proper divisors (1).

15812868341 is an equidigital number, since it uses as much as digits as its factorization.

15812868341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 368640, while the sum is 47.

The spelling of 15812868341 in words is "fifteen billion, eight hundred twelve million, eight hundred sixty-eight thousand, three hundred forty-one".