33420699901 has 2 divisors, whose sum is σ = 33420699902. Its totient is φ = 33420699900.

The previous prime is 33420699737. The next prime is 33420699913. The reversal of 33420699901 is 10999602433.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21022100100 + 12398599801 = 144990^2 + 111349^2 .

It is a cyclic number.

It is not a de Polignac number, because 33420699901 - 2²³ = 33412311293 is a prime.

It is a super-2 number, since 2×33420699901² (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 (33420649901) 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, 16710349950 + 16710349951.

It is an arithmetic number, because the mean of its divisors is an integer number (16710349951).

Almost surely, 2^33420699901 is an apocalyptic number.

It is an amenable number.

33420699901 is a deficient number, since it is larger than the sum of its proper divisors (1).

33420699901 is an equidigital number, since it uses as much as digits as its factorization.

33420699901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 314928, while the sum is 46.

The spelling of 33420699901 in words is "thirty-three billion, four hundred twenty million, six hundred ninety-nine thousand, nine hundred one".