32449306681 has 4 divisors (see below), whose sum is σ = 35399243664. Its totient is φ = 29499369700.

The previous prime is 32449306651. The next prime is 32449306711. The reversal of 32449306681 is 18660394423.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (32449306651) and next prime (32449306711).

It is a cyclic number.

It is not a de Polignac number, because 32449306681 - 2²³ = 32440918073 is a prime.

It is a super-2 number, since 2×32449306681² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32449306601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1474968475 + ... + 1474968496.

It is an arithmetic number, because the mean of its divisors is an integer number (8849810916).

Almost surely, 2^32449306681 is an apocalyptic number.

It is an amenable number.

32449306681 is a deficient number, since it is larger than the sum of its proper divisors (2949936983).

32449306681 is a wasteful number, since it uses less digits than its factorization.

32449306681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2949936982.

The product of its (nonzero) digits is 746496, while the sum is 46.

The spelling of 32449306681 in words is "thirty-two billion, four hundred forty-nine million, three hundred six thousand, six hundred eighty-one".