33993927142561 has 4 divisors (see below), whose sum is σ = 33999261203092. Its totient is φ = 33988593082032.

The previous prime is 33993927142541. The next prime is 33993927142577. The reversal of 33993927142561 is 16524172939933.

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 21364326088336 + 12629601054225 = 4622156^2 + 3553815^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33993927142561 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33993927142493 and 33993927142502.

It is not an unprimeable number, because it can be changed into a prime (33993927142541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2667020706 + ... + 2667033451.

It is an arithmetic number, because the mean of its divisors is an integer number (8499815300773).

Almost surely, 2^{33993927142561} is an apocalyptic number.

It is an amenable number.

33993927142561 is a deficient number, since it is larger than the sum of its proper divisors (5334060531).

33993927142561 is an equidigital number, since it uses as much as digits as its factorization.

33993927142561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5334060530.

The product of its digits is 66134880, while the sum is 64.

The spelling of 33993927142561 in words is "thirty-three trillion, nine hundred ninety-three billion, nine hundred twenty-seven million, one hundred forty-two thousand, five hundred sixty-one".