32972737509 has 24 divisors (see below), whose sum is σ = 49808865600. Its totient is φ = 20979205632.

The previous prime is 32972737493. The next prime is 32972737531. The reversal of 32972737509 is 90573727923.

32972737509 is a `hidden beast` number, since 32 + 9 + 72 + 7 + 37 + 509 = 666.

It is not a de Polignac number, because 32972737509 - 2⁴ = 32972737493 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32972737909) 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 23 ways as a sum of consecutive naturals, for example, 84439 + ... + 270324.

It is an arithmetic number, because the mean of its divisors is an integer number (2075369400).

Almost surely, 2^32972737509 is an apocalyptic number.

It is an amenable number.

32972737509 is a deficient number, since it is larger than the sum of its proper divisors (16836128091).

32972737509 is a wasteful number, since it uses less digits than its factorization.

32972737509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355241 (or 355238 counting only the distinct ones).

The product of its (nonzero) digits is 5000940, while the sum is 54.

It can be divided in two parts, 329727 and 37509, that added together give a square (367236 = 606²).

The spelling of 32972737509 in words is "thirty-two billion, nine hundred seventy-two million, seven hundred thirty-seven thousand, five hundred nine".