33461817397 has 2 divisors, whose sum is σ = 33461817398. Its totient is φ = 33461817396.

The previous prime is 33461817313. The next prime is 33461817409. The reversal of 33461817397 is 79371816433.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19321278001 + 14140539396 = 139001^2 + 118914^2 .

It is a cyclic number.

It is not a de Polignac number, because 33461817397 - 2⁷ = 33461817269 is a prime.

It is a super-2 number, since 2×33461817397² (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 (33461817497) 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, 16730908698 + 16730908699.

It is an arithmetic number, because the mean of its divisors is an integer number (16730908699).

Almost surely, 2^33461817397 is an apocalyptic number.

It is an amenable number.

33461817397 is a deficient number, since it is larger than the sum of its proper divisors (1).

33461817397 is an equidigital number, since it uses as much as digits as its factorization.

33461817397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2286144, while the sum is 52.

The spelling of 33461817397 in words is "thirty-three billion, four hundred sixty-one million, eight hundred seventeen thousand, three hundred ninety-seven".