13326452019 has 20 divisors (see below), whose sum is σ = 20549594560. Its totient is φ = 8597709360.

The previous prime is 13326451993. The next prime is 13326452021. The reversal of 13326452019 is 91025462331.

13326452019 is a `hidden beast` number, since 1 + 3 + 3 + 2 + 645 + 2 + 0 + 1 + 9 = 666.

It is not a de Polignac number, because 13326452019 - 2⁷ = 13326451891 is a prime.

It is a super-2 number, since 2×13326452019² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13326452059) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2651104 + ... + 2656125.

It is an arithmetic number, because the mean of its divisors is an integer number (1027479728).

Almost surely, 2^13326452019 is an apocalyptic number.

13326452019 is a deficient number, since it is larger than the sum of its proper divisors (7223142541).

13326452019 is an equidigital number, since it uses as much as digits as its factorization.

13326452019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5307272 (or 5307263 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The spelling of 13326452019 in words is "thirteen billion, three hundred twenty-six million, four hundred fifty-two thousand, nineteen".