13425499209049 has 2 divisors, whose sum is σ = 13425499209050. Its totient is φ = 13425499209048.

The previous prime is 13425499208971. The next prime is 13425499209053. The reversal of 13425499209049 is 94090299452431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11233524206025 + 2191975003024 = 3351645^2 + 1480532^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13425499209049 is a prime.

It is not a weakly prime, because it can be changed into another prime (13425499200049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6712749604524 + 6712749604525.

It is an arithmetic number, because the mean of its divisors is an integer number (6712749604525).

Almost surely, 2^{13425499209049} is an apocalyptic number.

It is an amenable number.

13425499209049 is a deficient number, since it is larger than the sum of its proper divisors (1).

13425499209049 is an equidigital number, since it uses as much as digits as its factorization.

13425499209049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25194240, while the sum is 61.

The spelling of 13425499209049 in words is "thirteen trillion, four hundred twenty-five billion, four hundred ninety-nine million, two hundred nine thousand, forty-nine".