32942689621 has 8 divisors (see below), whose sum is σ = 32976923544. Its totient is φ = 32908477440.

The previous prime is 32942689547. The next prime is 32942689721. The reversal of 32942689621 is 12698624923.

It can be written as a sum of positive squares in 4 ways, for example, as 2810590225 + 30132099396 = 53015^2 + 173586^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32942689621 is a prime.

It is a super-2 number, since 2×32942689621² (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 (32942689321) 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 7 ways as a sum of consecutive naturals, for example, 5292291 + ... + 5298511.

It is an arithmetic number, because the mean of its divisors is an integer number (4122115443).

Almost surely, 2^32942689621 is an apocalyptic number.

It is an amenable number.

32942689621 is a deficient number, since it is larger than the sum of its proper divisors (34233923).

32942689621 is a wasteful number, since it uses less digits than its factorization.

32942689621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10871.

The product of its digits is 2239488, while the sum is 52.

The spelling of 32942689621 in words is "thirty-two billion, nine hundred forty-two million, six hundred eighty-nine thousand, six hundred twenty-one".