32244637081 has 4 divisors (see below), whose sum is σ = 32254552612. Its totient is φ = 32234721552.

The previous prime is 32244637079. The next prime is 32244637091. The reversal of 32244637081 is 18073644223.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 20940694681 + 11303942400 = 144709^2 + 106320^2 .

It is a cyclic number.

It is not a de Polignac number, because 32244637081 - 2¹ = 32244637079 is a prime.

It is a super-2 number, since 2×32244637081² (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 (32244637031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4952886 + ... + 4959391.

It is an arithmetic number, because the mean of its divisors is an integer number (8063638153).

Almost surely, 2^32244637081 is an apocalyptic number.

It is an amenable number.

32244637081 is a deficient number, since it is larger than the sum of its proper divisors (9915531).

32244637081 is an equidigital number, since it uses as much as digits as its factorization.

32244637081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9915530.

The product of its (nonzero) digits is 193536, while the sum is 40.

The spelling of 32244637081 in words is "thirty-two billion, two hundred forty-four million, six hundred thirty-seven thousand, eighty-one".