33626751749 has 2 divisors, whose sum is σ = 33626751750. Its totient is φ = 33626751748.

The previous prime is 33626751713. The next prime is 33626751761. The reversal of 33626751749 is 94715762633.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31708924900 + 1917826849 = 178070^2 + 43793^2 .

It is a cyclic number.

It is not a de Polignac number, because 33626751749 - 2²⁰ = 33625703173 is a prime.

It is a super-2 number, since 2×33626751749² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33626751749.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33626151749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16813375874 + 16813375875.

It is an arithmetic number, because the mean of its divisors is an integer number (16813375875).

Almost surely, 2^33626751749 is an apocalyptic number.

It is an amenable number.

33626751749 is a deficient number, since it is larger than the sum of its proper divisors (1).

33626751749 is an equidigital number, since it uses as much as digits as its factorization.

33626751749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5715360, while the sum is 53.

The spelling of 33626751749 in words is "thirty-three billion, six hundred twenty-six million, seven hundred fifty-one thousand, seven hundred forty-nine".