13428367049 has 2 divisors, whose sum is σ = 13428367050. Its totient is φ = 13428367048.

The previous prime is 13428366977. The next prime is 13428367111. The reversal of 13428367049 is 94076382431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10129013449 + 3299353600 = 100643^2 + 57440^2 .

It is a cyclic number.

It is not a de Polignac number, because 13428367049 - 2²⁰ = 13427318473 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13428366994 and 13428367012.

It is not a weakly prime, because it can be changed into another prime (13428367349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6714183524 + 6714183525.

It is an arithmetic number, because the mean of its divisors is an integer number (6714183525).

Almost surely, 2^13428367049 is an apocalyptic number.

It is an amenable number.

13428367049 is a deficient number, since it is larger than the sum of its proper divisors (1).

13428367049 is an equidigital number, since it uses as much as digits as its factorization.

13428367049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 870912, while the sum is 47.

The spelling of 13428367049 in words is "thirteen billion, four hundred twenty-eight million, three hundred sixty-seven thousand, forty-nine".