33500601421 has 16 divisors (see below), whose sum is σ = 40550747904. Its totient is φ = 27017558784.

The previous prime is 33500601413. The next prime is 33500601427. The reversal of 33500601421 is 12410600533.

It is a cyclic number.

It is not a de Polignac number, because 33500601421 - 2³ = 33500601413 is a prime.

It is a super-2 number, since 2×33500601421² (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 (33500601427) 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 15 ways as a sum of consecutive naturals, for example, 371451 + ... + 452743.

It is an arithmetic number, because the mean of its divisors is an integer number (2534421744).

Almost surely, 2^33500601421 is an apocalyptic number.

It is an amenable number.

33500601421 is a deficient number, since it is larger than the sum of its proper divisors (7050146483).

33500601421 is a wasteful number, since it uses less digits than its factorization.

33500601421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84780.

The product of its (nonzero) digits is 2160, while the sum is 25.

The spelling of 33500601421 in words is "thirty-three billion, five hundred million, six hundred one thousand, four hundred twenty-one".