13782899819 has 4 divisors (see below), whose sum is σ = 14843122896. Its totient is φ = 12722676744.

The previous prime is 13782899771. The next prime is 13782899833. The reversal of 13782899819 is 91899828731.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13782899819 - 2¹² = 13782895723 is a prime.

It is a super-2 number, since 2×13782899819² (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 (13782899899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 530111519 + ... + 530111544.

It is an arithmetic number, because the mean of its divisors is an integer number (3710780724).

Almost surely, 2^13782899819 is an apocalyptic number.

13782899819 is a deficient number, since it is larger than the sum of its proper divisors (1060223077).

13782899819 is a wasteful number, since it uses less digits than its factorization.

13782899819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060223076.

The product of its digits is 15676416, while the sum is 65.

The spelling of 13782899819 in words is "thirteen billion, seven hundred eighty-two million, eight hundred ninety-nine thousand, eight hundred nineteen".