33395405497 has 2 divisors, whose sum is σ = 33395405498. Its totient is φ = 33395405496.

The previous prime is 33395405447. The next prime is 33395405501. The reversal of 33395405497 is 79450459333.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30311158201 + 3084247296 = 174101^2 + 55536^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33395405497 is a prime.

It is a super-2 number, since 2×33395405497² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33395405437) 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, 16697702748 + 16697702749.

It is an arithmetic number, because the mean of its divisors is an integer number (16697702749).

Almost surely, 2^33395405497 is an apocalyptic number.

It is an amenable number.

33395405497 is a deficient number, since it is larger than the sum of its proper divisors (1).

33395405497 is an equidigital number, since it uses as much as digits as its factorization.

33395405497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6123600, while the sum is 52.

The spelling of 33395405497 in words is "thirty-three billion, three hundred ninety-five million, four hundred five thousand, four hundred ninety-seven".