13340243433 has 16 divisors (see below), whose sum is σ = 19532500992. Its totient is φ = 8031450000.

The previous prime is 13340243429. The next prime is 13340243447. The reversal of 13340243433 is 33434204331.

It is not a de Polignac number, because 13340243433 - 2² = 13340243429 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13340243433.

It is not an unprimeable number, because it can be changed into a prime (13340243633) 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, 1333593 + ... + 1343558.

It is an arithmetic number, because the mean of its divisors is an integer number (1220781312).

Almost surely, 2^13340243433 is an apocalyptic number.

It is an amenable number.

13340243433 is a deficient number, since it is larger than the sum of its proper divisors (6192257559).

13340243433 is a wasteful number, since it uses less digits than its factorization.

13340243433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2677316.

The product of its (nonzero) digits is 31104, while the sum is 30.

Adding to 13340243433 its reverse (33434204331), we get a palindrome (46774447764).

The spelling of 13340243433 in words is "thirteen billion, three hundred forty million, two hundred forty-three thousand, four hundred thirty-three".