32973997309 has 16 divisors (see below), whose sum is σ = 36612069120. Its totient is φ = 29446522560.

The previous prime is 32973997307. The next prime is 32973997373. The reversal of 32973997309 is 90379937923.

It is a cyclic number.

It is not a de Polignac number, because 32973997309 - 2¹ = 32973997307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32973997307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74887 + ... + 267499.

It is an arithmetic number, because the mean of its divisors is an integer number (2288254320).

Almost surely, 2^32973997309 is an apocalyptic number.

It is an amenable number.

32973997309 is a deficient number, since it is larger than the sum of its proper divisors (3638071811).

32973997309 is a wasteful number, since it uses less digits than its factorization.

32973997309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192900.

The product of its (nonzero) digits is 17360406, while the sum is 61.

The spelling of 32973997309 in words is "thirty-two billion, nine hundred seventy-three million, nine hundred ninety-seven thousand, three hundred nine".