13645643307 has 8 divisors (see below), whose sum is σ = 19151780160. Its totient is φ = 8618301000.

The previous prime is 13645643299. The next prime is 13645643311. The reversal of 13645643307 is 70334654631.

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

It is not a de Polignac number, because 13645643307 - 2³ = 13645643299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13645643707) 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, 119698569 + ... + 119698682.

It is an arithmetic number, because the mean of its divisors is an integer number (2393972520).

Almost surely, 2^13645643307 is an apocalyptic number.

13645643307 is a deficient number, since it is larger than the sum of its proper divisors (5506136853).

13645643307 is a wasteful number, since it uses less digits than its factorization.

13645643307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239397273.

The product of its (nonzero) digits is 544320, while the sum is 42.

The spelling of 13645643307 in words is "thirteen billion, six hundred forty-five million, six hundred forty-three thousand, three hundred seven".