13240624643 has 8 divisors (see below), whose sum is σ = 13258370736. Its totient is φ = 13222893600.

The previous prime is 13240624637. The next prime is 13240624669. The reversal of 13240624643 is 34642604231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13240624643 - 2⁸ = 13240624387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13240624343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3585428 + ... + 3589118.

It is an arithmetic number, because the mean of its divisors is an integer number (1657296342).

Almost surely, 2^13240624643 is an apocalyptic number.

13240624643 is a deficient number, since it is larger than the sum of its proper divisors (17746093).

13240624643 is a wasteful number, since it uses less digits than its factorization.

13240624643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7525.

The product of its (nonzero) digits is 82944, while the sum is 35.

The spelling of 13240624643 in words is "thirteen billion, two hundred forty million, six hundred twenty-four thousand, six hundred forty-three".