33772382641 has 4 divisors (see below), whose sum is σ = 33773370484. Its totient is φ = 33771394800.

The previous prime is 33772382639. The next prime is 33772382687. The reversal of 33772382641 is 14628327733.

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 7975204416 + 25797178225 = 89304^2 + 160615^2 .

It is a cyclic number.

It is not a de Polignac number, because 33772382641 - 2¹ = 33772382639 is a prime.

It is a super-2 number, since 2×33772382641² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33772382591 and 33772382600.

It is not an unprimeable number, because it can be changed into a prime (33772383641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 440730 + ... + 511651.

It is an arithmetic number, because the mean of its divisors is an integer number (8443342621).

Almost surely, 2^33772382641 is an apocalyptic number.

It is an amenable number.

33772382641 is a deficient number, since it is larger than the sum of its proper divisors (987843).

33772382641 is an equidigital number, since it uses as much as digits as its factorization.

33772382641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987842.

The product of its digits is 1016064, while the sum is 46.

The spelling of 33772382641 in words is "thirty-three billion, seven hundred seventy-two million, three hundred eighty-two thousand, six hundred forty-one".