10242565139 has 2 divisors, whose sum is σ = 10242565140. Its totient is φ = 10242565138.

The previous prime is 10242565111. The next prime is 10242565147. The reversal of 10242565139 is 93156524201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10242565139 is a prime.

It is not a weakly prime, because it can be changed into another prime (10242565339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5121282569 + 5121282570.

It is an arithmetic number, because the mean of its divisors is an integer number (5121282570).

Almost surely, 2^10242565139 is an apocalyptic number.

10242565139 is a deficient number, since it is larger than the sum of its proper divisors (1).

10242565139 is an equidigital number, since it uses as much as digits as its factorization.

10242565139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64800, while the sum is 38.

The spelling of 10242565139 in words is "ten billion, two hundred forty-two million, five hundred sixty-five thousand, one hundred thirty-nine".