33942356641 has 4 divisors (see below), whose sum is σ = 33943267732. Its totient is φ = 33941445552.

The previous prime is 33942356627. The next prime is 33942356653. The reversal of 33942356641 is 14665324933.

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 11449856016 + 22492500625 = 107004^2 + 149975^2 .

It is a cyclic number.

It is not a de Polignac number, because 33942356641 - 2¹⁵ = 33942323873 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33942356591 and 33942356600.

It is not an unprimeable number, because it can be changed into a prime (33942356611) 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 3 ways as a sum of consecutive naturals, for example, 397170 + ... + 475003.

It is an arithmetic number, because the mean of its divisors is an integer number (8485816933).

Almost surely, 2^33942356641 is an apocalyptic number.

It is an amenable number.

33942356641 is a deficient number, since it is larger than the sum of its proper divisors (911091).

33942356641 is an equidigital number, since it uses as much as digits as its factorization.

33942356641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911090.

The product of its digits is 1399680, while the sum is 46.

The spelling of 33942356641 in words is "thirty-three billion, nine hundred forty-two million, three hundred fifty-six thousand, six hundred forty-one".