13773828091 has 2 divisors, whose sum is σ = 13773828092. Its totient is φ = 13773828090.

The previous prime is 13773828083. The next prime is 13773828143. The reversal of 13773828091 is 19082837731.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13773828091 - 2³ = 13773828083 is a prime.

It is not a weakly prime, because it can be changed into another prime (13773828011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6886914045 + 6886914046.

It is an arithmetic number, because the mean of its divisors is an integer number (6886914046).

Almost surely, 2^13773828091 is an apocalyptic number.

13773828091 is a deficient number, since it is larger than the sum of its proper divisors (1).

13773828091 is an equidigital number, since it uses as much as digits as its factorization.

13773828091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 508032, while the sum is 49.

The spelling of 13773828091 in words is "thirteen billion, seven hundred seventy-three million, eight hundred twenty-eight thousand, ninety-one".