13011222349 has 2 divisors, whose sum is σ = 13011222350. Its totient is φ = 13011222348.

The previous prime is 13011222317. The next prime is 13011222359. The reversal of 13011222349 is 94322211031.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11048112100 + 1963110249 = 105110^2 + 44307^2 .

It is a cyclic number.

It is not a de Polignac number, because 13011222349 - 2⁵ = 13011222317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13011222359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6505611174 + 6505611175.

It is an arithmetic number, because the mean of its divisors is an integer number (6505611175).

Almost surely, 2^13011222349 is an apocalyptic number.

It is an amenable number.

13011222349 is a deficient number, since it is larger than the sum of its proper divisors (1).

13011222349 is an equidigital number, since it uses as much as digits as its factorization.

13011222349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 28.

The spelling of 13011222349 in words is "thirteen billion, eleven million, two hundred twenty-two thousand, three hundred forty-nine".