13956130709 has 2 divisors, whose sum is σ = 13956130710. Its totient is φ = 13956130708.

The previous prime is 13956130687. The next prime is 13956130847. The reversal of 13956130709 is 90703165931.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12762220900 + 1193909809 = 112970^2 + 34553^2 .

It is a cyclic number.

It is not a de Polignac number, because 13956130709 - 2⁸ = 13956130453 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13956130709.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13956132709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6978065354 + 6978065355.

It is an arithmetic number, because the mean of its divisors is an integer number (6978065355).

Almost surely, 2^13956130709 is an apocalyptic number.

It is an amenable number.

13956130709 is a deficient number, since it is larger than the sum of its proper divisors (1).

13956130709 is an equidigital number, since it uses as much as digits as its factorization.

13956130709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 153090, while the sum is 44.

The spelling of 13956130709 in words is "thirteen billion, nine hundred fifty-six million, one hundred thirty thousand, seven hundred nine".