33450076021 has 2 divisors, whose sum is σ = 33450076022. Its totient is φ = 33450076020.

The previous prime is 33450075937. The next prime is 33450076081. The reversal of 33450076021 is 12067005433.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33406700625 + 43375396 = 182775^2 + 6586^2 .

It is a cyclic number.

It is not a de Polignac number, because 33450076021 - 2¹¹ = 33450073973 is a prime.

It is a super-2 number, since 2×33450076021² (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 (33450076081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16725038010 + 16725038011.

It is an arithmetic number, because the mean of its divisors is an integer number (16725038011).

Almost surely, 2^33450076021 is an apocalyptic number.

It is an amenable number.

33450076021 is a deficient number, since it is larger than the sum of its proper divisors (1).

33450076021 is an equidigital number, since it uses as much as digits as its factorization.

33450076021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 31.

The spelling of 33450076021 in words is "thirty-three billion, four hundred fifty million, seventy-six thousand, twenty-one".