13823999999 has 16 divisors (see below), whose sum is σ = 14126304000. Its totient is φ = 13525180416.

The previous prime is 13823999983. The next prime is 13824000013. The reversal of 13823999999 is 99999932831.

It is a Cunningham number, because it is equal to 2400³-1.

It is a cyclic number.

It is not a de Polignac number, because 13823999999 - 2⁴ = 13823999983 is a prime.

It is a super-2 number, since 2×13823999999² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

13823999999 is a modest number, since divided by 999999 gives 13823 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13823999909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5761202 + ... + 5763600.

It is an arithmetic number, because the mean of its divisors is an integer number (882894000).

Almost surely, 2^13823999999 is an apocalyptic number.

13823999999 is a deficient number, since it is larger than the sum of its proper divisors (302304001).

13823999999 is a wasteful number, since it uses less digits than its factorization.

13823999999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3074.

The product of its digits is 76527504, while the sum is 71.

The spelling of 13823999999 in words is "thirteen billion, eight hundred twenty-three million, nine hundred ninety-nine thousand, nine hundred ninety-nine".