33704674981 has 2 divisors, whose sum is σ = 33704674982. Its totient is φ = 33704674980.

The previous prime is 33704674937. The next prime is 33704674987. The reversal of 33704674981 is 18947640733.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27302274756 + 6402400225 = 165234^2 + 80015^2 .

It is a cyclic number.

It is not a de Polignac number, because 33704674981 - 2⁹ = 33704674469 is a prime.

It is a super-5 number, since 5×33704674981⁵ (a number of 54 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33704674987) 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 as a sum of consecutive naturals, namely, 16852337490 + 16852337491.

It is an arithmetic number, because the mean of its divisors is an integer number (16852337491).

Almost surely, 2^33704674981 is an apocalyptic number.

It is an amenable number.

33704674981 is a deficient number, since it is larger than the sum of its proper divisors (1).

33704674981 is an equidigital number, since it uses as much as digits as its factorization.

33704674981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3048192, while the sum is 52.

The spelling of 33704674981 in words is "thirty-three billion, seven hundred four million, six hundred seventy-four thousand, nine hundred eighty-one".