10139279789 has 2 divisors, whose sum is σ = 10139279790. Its totient is φ = 10139279788.

The previous prime is 10139279749. The next prime is 10139279797. The reversal of 10139279789 is 98797293101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6993976900 + 3145302889 = 83630^2 + 56083^2 .

It is a cyclic number.

It is not a de Polignac number, because 10139279789 - 2¹² = 10139275693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10139279749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5069639894 + 5069639895.

It is an arithmetic number, because the mean of its divisors is an integer number (5069639895).

Almost surely, 2^10139279789 is an apocalyptic number.

It is an amenable number.

10139279789 is a deficient number, since it is larger than the sum of its proper divisors (1).

10139279789 is an equidigital number, since it uses as much as digits as its factorization.

10139279789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1714608, while the sum is 56.

It can be divided in two parts, 101392 and 79789, that added together give a palindrome (181181).

The spelling of 10139279789 in words is "ten billion, one hundred thirty-nine million, two hundred seventy-nine thousand, seven hundred eighty-nine".