33421202397 has 40 divisors (see below), whose sum is σ = 54547539552. Its totient is φ = 20224274400.

The previous prime is 33421202329. The next prime is 33421202447. The reversal of 33421202397 is 79320212433.

33421202397 is a `hidden beast` number, since 334 + 212 + 0 + 23 + 97 = 666.

It is not a de Polignac number, because 33421202397 - 2¹¹ = 33421200349 is a prime.

It is a super-2 number, since 2×33421202397² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33421202497) 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 in 39 ways as a sum of consecutive naturals, for example, 560578 + ... + 617324.

Almost surely, 2^33421202397 is an apocalyptic number.

It is an amenable number.

33421202397 is a deficient number, since it is larger than the sum of its proper divisors (21126337155).

33421202397 is a wasteful number, since it uses less digits than its factorization.

33421202397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57431 (or 57422 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The spelling of 33421202397 in words is "thirty-three billion, four hundred twenty-one million, two hundred two thousand, three hundred ninety-seven".