33543352061 has 2 divisors, whose sum is σ = 33543352062. Its totient is φ = 33543352060.

The previous prime is 33543351991. The next prime is 33543352079. The reversal of 33543352061 is 16025334533.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22935588025 + 10607764036 = 151445^2 + 102994^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33543352061 is a prime.

It is a super-2 number, since 2×33543352061² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33543352091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16771676030 + 16771676031.

It is an arithmetic number, because the mean of its divisors is an integer number (16771676031).

Almost surely, 2^33543352061 is an apocalyptic number.

It is an amenable number.

33543352061 is a deficient number, since it is larger than the sum of its proper divisors (1).

33543352061 is an equidigital number, since it uses as much as digits as its factorization.

33543352061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97200, while the sum is 35.

Adding to 33543352061 its reverse (16025334533), we get a palindrome (49568686594).

The spelling of 33543352061 in words is "thirty-three billion, five hundred forty-three million, three hundred fifty-two thousand, sixty-one".