33254016491 has 2 divisors, whose sum is σ = 33254016492. Its totient is φ = 33254016490.

The previous prime is 33254016463. The next prime is 33254016553. The reversal of 33254016491 is 19461045233.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 33254016491 - 2¹⁰ = 33254015467 is a prime.

It is a super-2 number, since 2×33254016491² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33254016431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16627008245 + 16627008246.

It is an arithmetic number, because the mean of its divisors is an integer number (16627008246).

Almost surely, 2^33254016491 is an apocalyptic number.

33254016491 is a deficient number, since it is larger than the sum of its proper divisors (1).

33254016491 is an equidigital number, since it uses as much as digits as its factorization.

33254016491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 38.

The spelling of 33254016491 in words is "thirty-three billion, two hundred fifty-four million, sixteen thousand, four hundred ninety-one".