33450077450561 has 2 divisors, whose sum is σ = 33450077450562. Its totient is φ = 33450077450560.

The previous prime is 33450077450509. The next prime is 33450077450579. The reversal of 33450077450561 is 16505477005433.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22260845059600 + 11189232390961 = 4718140^2 + 3345031^2 .

It is a cyclic number.

It is not a de Polignac number, because 33450077450561 - 2⁶ = 33450077450497 is a prime.

It is a super-2 number, since 2×33450077450561² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33450077450591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16725038725280 + 16725038725281.

It is an arithmetic number, because the mean of its divisors is an integer number (16725038725281).

Almost surely, 2^{33450077450561} is an apocalyptic number.

It is an amenable number.

33450077450561 is a deficient number, since it is larger than the sum of its proper divisors (1).

33450077450561 is an equidigital number, since it uses as much as digits as its factorization.

33450077450561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5292000, while the sum is 50.

The spelling of 33450077450561 in words is "thirty-three trillion, four hundred fifty billion, seventy-seven million, four hundred fifty thousand, five hundred sixty-one".