33732885649 has 2 divisors, whose sum is σ = 33732885650. Its totient is φ = 33732885648.

The previous prime is 33732885629. The next prime is 33732885689. The reversal of 33732885649 is 94658823733.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26201249424 + 7531636225 = 161868^2 + 86785^2 .

It is a cyclic number.

It is not a de Polignac number, because 33732885649 - 2⁵ = 33732885617 is a prime.

It is a super-2 number, since 2×33732885649² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33732885593 and 33732885602.

It is not a weakly prime, because it can be changed into another prime (33732885629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16866442824 + 16866442825.

It is an arithmetic number, because the mean of its divisors is an integer number (16866442825).

Almost surely, 2^33732885649 is an apocalyptic number.

It is an amenable number.

33732885649 is a deficient number, since it is larger than the sum of its proper divisors (1).

33732885649 is an equidigital number, since it uses as much as digits as its factorization.

33732885649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26127360, while the sum is 58.

The spelling of 33732885649 in words is "thirty-three billion, seven hundred thirty-two million, eight hundred eighty-five thousand, six hundred forty-nine".