32026972981 has 8 divisors (see below), whose sum is σ = 32398657560. Its totient is φ = 31655551488.

The previous prime is 32026972949. The next prime is 32026972993. The reversal of 32026972981 is 18927962023.

It can be written as a sum of positive squares in 4 ways, for example, as 2268997956 + 29757975025 = 47634^2 + 172505^2 .

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 32026972981 - 2⁵ = 32026972949 is a prime.

It is a super-2 number, since 2×32026972981² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32026970981) 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, 184605 + ... + 313261.

It is an arithmetic number, because the mean of its divisors is an integer number (4049832195).

Almost surely, 2^32026972981 is an apocalyptic number.

It is an amenable number.

32026972981 is a deficient number, since it is larger than the sum of its proper divisors (371684579).

32026972981 is a wasteful number, since it uses less digits than its factorization.

32026972981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131543.

The product of its (nonzero) digits is 653184, while the sum is 49.

The spelling of 32026972981 in words is "thirty-two billion, twenty-six million, nine hundred seventy-two thousand, nine hundred eighty-one".