32147345407 has 4 divisors (see below), whose sum is σ = 32168454840. Its totient is φ = 32126235976.

The previous prime is 32147345359. The next prime is 32147345429. The reversal of 32147345407 is 70454374123.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 32147345407 - 2²³ = 32138956799 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 32147345407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32147342407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10552432 + ... + 10555477.

It is an arithmetic number, because the mean of its divisors is an integer number (8042113710).

Almost surely, 2^32147345407 is an apocalyptic number.

32147345407 is a deficient number, since it is larger than the sum of its proper divisors (21109433).

32147345407 is a wasteful number, since it uses less digits than its factorization.

32147345407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21109432.

The product of its (nonzero) digits is 282240, while the sum is 40.

The spelling of 32147345407 in words is "thirty-two billion, one hundred forty-seven million, three hundred forty-five thousand, four hundred seven".