33198989413 has 2 divisors, whose sum is σ = 33198989414. Its totient is φ = 33198989412.

The previous prime is 33198989399. The next prime is 33198989443. The reversal of 33198989413 is 31498989133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23679669924 + 9519319489 = 153882^2 + 97567^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33198989413 is a prime.

It is a super-2 number, since 2×33198989413² (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 (33198989443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16599494706 + 16599494707.

It is an arithmetic number, because the mean of its divisors is an integer number (16599494707).

Almost surely, 2^33198989413 is an apocalyptic number.

It is an amenable number.

33198989413 is a deficient number, since it is larger than the sum of its proper divisors (1).

33198989413 is an equidigital number, since it uses as much as digits as its factorization.

33198989413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5038848, while the sum is 58.

The spelling of 33198989413 in words is "thirty-three billion, one hundred ninety-eight million, nine hundred eighty-nine thousand, four hundred thirteen".