32945936781 has 8 divisors (see below), whose sum is σ = 43941053664. Its totient is φ = 21957388880.

The previous prime is 32945936773. The next prime is 32945936783. The reversal of 32945936781 is 18763954923.

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 32945936781 - 2³ = 32945936773 is a prime.

It is a super-2 number, since 2×32945936781² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32945936783) 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, 1630530 + ... + 1650611.

It is an arithmetic number, because the mean of its divisors is an integer number (5492631708).

Almost surely, 2^32945936781 is an apocalyptic number.

It is an amenable number.

32945936781 is a deficient number, since it is larger than the sum of its proper divisors (10995116883).

32945936781 is a wasteful number, since it uses less digits than its factorization.

32945936781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3284491.

The product of its digits is 9797760, while the sum is 57.

The spelling of 32945936781 in words is "thirty-two billion, nine hundred forty-five million, nine hundred thirty-six thousand, seven hundred eighty-one".