6432704072345 has 8 divisors (see below), whose sum is σ = 7985425745160. Its totient is φ = 4968709352320.

The previous prime is 6432704072329. The next prime is 6432704072387. The reversal of 6432704072345 is 5432704072346.

It can be written as a sum of positive squares in 4 ways, for example, as 2236499313049 + 4196204759296 = 1495493^2 + 2048464^2 .

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

It is not a de Polignac number, because 6432704072345 - 2⁴ = 6432704072329 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6432704072345.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22181738036 + ... + 22181738325.

It is an arithmetic number, because the mean of its divisors is an integer number (998178218145).

Almost surely, 2^{6432704072345} is an apocalyptic number.

It is an amenable number.

6432704072345 is a deficient number, since it is larger than the sum of its proper divisors (1552721672815).

6432704072345 is a wasteful number, since it uses less digits than its factorization.

6432704072345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44363476395.

The product of its (nonzero) digits is 3386880, while the sum is 47.

Subtracting from 6432704072345 its reverse (5432704072346), we obtain a palindrome (999999999999).

The spelling of 6432704072345 in words is "six trillion, four hundred thirty-two billion, seven hundred four million, seventy-two thousand, three hundred forty-five".