4051321966033 has 2 divisors, whose sum is σ = 4051321966034. Its totient is φ = 4051321966032.

The previous prime is 4051321966019. The next prime is 4051321966049. The reversal of 4051321966033 is 3306691231504.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3454367939649 + 596954026384 = 1858593^2 + 772628^2 .

It is a cyclic number.

It is not a de Polignac number, because 4051321966033 - 2¹³ = 4051321957841 is a prime.

It is a super-2 number, since 2×4051321966033² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4051321906033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2025660983016 + 2025660983017.

It is an arithmetic number, because the mean of its divisors is an integer number (2025660983017).

Almost surely, 2^{4051321966033} is an apocalyptic number.

It is an amenable number.

4051321966033 is a deficient number, since it is larger than the sum of its proper divisors (1).

4051321966033 is an equidigital number, since it uses as much as digits as its factorization.

4051321966033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 349920, while the sum is 43.

The spelling of 4051321966033 in words is "four trillion, fifty-one billion, three hundred twenty-one million, nine hundred sixty-six thousand, thirty-three".