13409219753 has 2 divisors, whose sum is σ = 13409219754. Its totient is φ = 13409219752.

The previous prime is 13409219737. The next prime is 13409219779. The reversal of 13409219753 is 35791290431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8144701504 + 5264518249 = 90248^2 + 72557^2 .

It is a cyclic number.

It is not a de Polignac number, because 13409219753 - 2⁴ = 13409219737 is a prime.

It is not a weakly prime, because it can be changed into another prime (13409219713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6704609876 + 6704609877.

It is an arithmetic number, because the mean of its divisors is an integer number (6704609877).

Almost surely, 2^13409219753 is an apocalyptic number.

It is an amenable number.

13409219753 is a deficient number, since it is larger than the sum of its proper divisors (1).

13409219753 is an equidigital number, since it uses as much as digits as its factorization.

13409219753 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 204120, while the sum is 44.

The spelling of 13409219753 in words is "thirteen billion, four hundred nine million, two hundred nineteen thousand, seven hundred fifty-three".