13043880437 has 32 divisors (see below), whose sum is σ = 16129044480. Its totient is φ = 10299856320.

The previous prime is 13043880413. The next prime is 13043880457. The reversal of 13043880437 is 73408834031.

It is a cyclic number.

It is not a de Polignac number, because 13043880437 - 2⁶ = 13043880373 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13043880394 and 13043880403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13043880457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 974762 + ... + 988052.

It is an arithmetic number, because the mean of its divisors is an integer number (504032640).

Almost surely, 2^13043880437 is an apocalyptic number.

It is an amenable number.

13043880437 is a deficient number, since it is larger than the sum of its proper divisors (3085164043).

13043880437 is a wasteful number, since it uses less digits than its factorization.

13043880437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13521.

The product of its (nonzero) digits is 193536, while the sum is 41.

The spelling of 13043880437 in words is "thirteen billion, forty-three million, eight hundred eighty thousand, four hundred thirty-seven".