13020022049 has 2 divisors, whose sum is σ = 13020022050. Its totient is φ = 13020022048.

The previous prime is 13020021967. The next prime is 13020022069. The reversal of 13020022049 is 94022002031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12981184225 + 38837824 = 113935^2 + 6232^2 .

It is an emirp because it is prime and its reverse (94022002031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13020022049 - 2¹⁶ = 13019956513 is a prime.

It is not a weakly prime, because it can be changed into another prime (13020022069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6510011024 + 6510011025.

It is an arithmetic number, because the mean of its divisors is an integer number (6510011025).

Almost surely, 2^13020022049 is an apocalyptic number.

It is an amenable number.

13020022049 is a deficient number, since it is larger than the sum of its proper divisors (1).

13020022049 is an equidigital number, since it uses as much as digits as its factorization.

13020022049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

The spelling of 13020022049 in words is "thirteen billion, twenty million, twenty-two thousand, forty-nine".