33530162421 has 48 divisors (see below), whose sum is σ = 52607206080. Its totient is φ = 18939432960.

The previous prime is 33530162387. The next prime is 33530162423. The reversal of 33530162421 is 12426103533.

It is not a de Polignac number, because 33530162421 - 2⁶ = 33530162357 is a prime.

It is a super-3 number, since 3×33530162421³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33530162423) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7480501 + ... + 7484981.

It is an arithmetic number, because the mean of its divisors is an integer number (1095983460).

Almost surely, 2^33530162421 is an apocalyptic number.

It is an amenable number.

33530162421 is a deficient number, since it is larger than the sum of its proper divisors (19077043659).

33530162421 is a wasteful number, since it uses less digits than its factorization.

33530162421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5074 (or 5067 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 33530162421 its reverse (12426103533), we get a palindrome (45956265954).

The spelling of 33530162421 in words is "thirty-three billion, five hundred thirty million, one hundred sixty-two thousand, four hundred twenty-one".