13242200449 has 2 divisors, whose sum is σ = 13242200450. Its totient is φ = 13242200448.

The previous prime is 13242200401. The next prime is 13242200471. The reversal of 13242200449 is 94400224231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8905319424 + 4336881025 = 94368^2 + 65855^2 .

It is a cyclic number.

It is not a de Polignac number, because 13242200449 - 2¹⁷ = 13242069377 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13242200449.

It is not a weakly prime, because it can be changed into another prime (13242207449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6621100224 + 6621100225.

It is an arithmetic number, because the mean of its divisors is an integer number (6621100225).

Almost surely, 2^13242200449 is an apocalyptic number.

It is an amenable number.

13242200449 is a deficient number, since it is larger than the sum of its proper divisors (1).

13242200449 is an equidigital number, since it uses as much as digits as its factorization.

13242200449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 31.

The spelling of 13242200449 in words is "thirteen billion, two hundred forty-two million, two hundred thousand, four hundred forty-nine".