13311202399949 has 2 divisors, whose sum is σ = 13311202399950. Its totient is φ = 13311202399948.

The previous prime is 13311202399877. The next prime is 13311202400039. The reversal of 13311202399949 is 94999320211331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12103566244324 + 1207636155625 = 3479018^2 + 1098925^2 .

It is a cyclic number.

It is not a de Polignac number, because 13311202399949 - 2¹² = 13311202395853 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13311202399894 and 13311202399903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13311202399249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6655601199974 + 6655601199975.

It is an arithmetic number, because the mean of its divisors is an integer number (6655601199975).

Almost surely, 2^{13311202399949} is an apocalyptic number.

It is an amenable number.

13311202399949 is a deficient number, since it is larger than the sum of its proper divisors (1).

13311202399949 is an equidigital number, since it uses as much as digits as its factorization.

13311202399949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2834352, while the sum is 56.

The spelling of 13311202399949 in words is "thirteen trillion, three hundred eleven billion, two hundred two million, three hundred ninety-nine thousand, nine hundred forty-nine".