33361600768649 has 2 divisors, whose sum is σ = 33361600768650. Its totient is φ = 33361600768648.

The previous prime is 33361600768637. The next prime is 33361600768687. The reversal of 33361600768649 is 94686700616333.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21474586228624 + 11887014540025 = 4634068^2 + 3447755^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33361600768649 is a prime.

It is a super-2 number, since 2×33361600768649² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33361600768591 and 33361600768600.

It is not a weakly prime, because it can be changed into another prime (33361600761649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16680800384324 + 16680800384325.

It is an arithmetic number, because the mean of its divisors is an integer number (16680800384325).

Almost surely, 2^{33361600768649} is an apocalyptic number.

It is an amenable number.

33361600768649 is a deficient number, since it is larger than the sum of its proper divisors (1).

33361600768649 is an equidigital number, since it uses as much as digits as its factorization.

33361600768649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70543872, while the sum is 62.

The spelling of 33361600768649 in words is "thirty-three trillion, three hundred sixty-one billion, six hundred million, seven hundred sixty-eight thousand, six hundred forty-nine".