10143893257 has 2 divisors, whose sum is σ = 10143893258. Its totient is φ = 10143893256.

The previous prime is 10143893219. The next prime is 10143893273. The reversal of 10143893257 is 75239834101.

10143893257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5280783561 + 4863109696 = 72669^2 + 69736^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10143893257 is a prime.

It is not a weakly prime, because it can be changed into another prime (10143893857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5071946628 + 5071946629.

It is an arithmetic number, because the mean of its divisors is an integer number (5071946629).

Almost surely, 2^10143893257 is an apocalyptic number.

It is an amenable number.

10143893257 is a deficient number, since it is larger than the sum of its proper divisors (1).

10143893257 is an equidigital number, since it uses as much as digits as its factorization.

10143893257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 10143893257 in words is "ten billion, one hundred forty-three million, eight hundred ninety-three thousand, two hundred fifty-seven".