13840343933 has 32 divisors (see below), whose sum is σ = 15286656000. Its totient is φ = 12454041600.

The previous prime is 13840343921. The next prime is 13840343939. The reversal of 13840343933 is 33934304831.

It is not a de Polignac number, because 13840343933 - 2¹⁰ = 13840342909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13840343939) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49253753 + ... + 49254033.

It is an arithmetic number, because the mean of its divisors is an integer number (477708000).

Almost surely, 2^13840343933 is an apocalyptic number.

13840343933 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13840343933 is a deficient number, since it is larger than the sum of its proper divisors (1446312067).

13840343933 is a wasteful number, since it uses less digits than its factorization.

13840343933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813.

The product of its (nonzero) digits is 279936, while the sum is 41.

The spelling of 13840343933 in words is "thirteen billion, eight hundred forty million, three hundred forty-three thousand, nine hundred thirty-three".