13442323277 has 2 divisors, whose sum is σ = 13442323278. Its totient is φ = 13442323276.

The previous prime is 13442323259. The next prime is 13442323309. The reversal of 13442323277 is 77232324431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12840062596 + 602260681 = 113314^2 + 24541^2 .

It is a cyclic number.

It is not a de Polignac number, because 13442323277 - 2¹⁰ = 13442322253 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13442323277.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13442323207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6721161638 + 6721161639.

It is an arithmetic number, because the mean of its divisors is an integer number (6721161639).

Almost surely, 2^13442323277 is an apocalyptic number.

It is an amenable number.

13442323277 is a deficient number, since it is larger than the sum of its proper divisors (1).

13442323277 is an equidigital number, since it uses as much as digits as its factorization.

13442323277 is an evil number, because the sum of its binary digits is even.

The product of its digits is 169344, while the sum is 38.

The spelling of 13442323277 in words is "thirteen billion, four hundred forty-two million, three hundred twenty-three thousand, two hundred seventy-seven".