13474887050749 has 2 divisors, whose sum is σ = 13474887050750. Its totient is φ = 13474887050748.

The previous prime is 13474887050731. The next prime is 13474887050783. The reversal of 13474887050749 is 94705078847431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12238053913849 + 1236833136900 = 3498293^2 + 1112130^2 .

It is a cyclic number.

It is not a de Polignac number, because 13474887050749 - 2¹³ = 13474887042557 is a prime.

It is a super-2 number, since 2×13474887050749² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13474887056749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6737443525374 + 6737443525375.

It is an arithmetic number, because the mean of its divisors is an integer number (6737443525375).

Almost surely, 2^{13474887050749} is an apocalyptic number.

It is an amenable number.

13474887050749 is a deficient number, since it is larger than the sum of its proper divisors (1).

13474887050749 is an equidigital number, since it uses as much as digits as its factorization.

13474887050749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 189665280, while the sum is 67.

The spelling of 13474887050749 in words is "thirteen trillion, four hundred seventy-four billion, eight hundred eighty-seven million, fifty thousand, seven hundred forty-nine".