33452720421 has 8 divisors (see below), whose sum is σ = 44622953760. Its totient is φ = 22292150352.

The previous prime is 33452720419. The next prime is 33452720437. The reversal of 33452720421 is 12402725433.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 33452720421 - 2¹ = 33452720419 is a prime.

It is a super-2 number, since 2×33452720421² (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 (33452720401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2407735 + ... + 2421588.

It is an arithmetic number, because the mean of its divisors is an integer number (5577869220).

Almost surely, 2^33452720421 is an apocalyptic number.

It is an amenable number.

33452720421 is a deficient number, since it is larger than the sum of its proper divisors (11170233339).

33452720421 is a wasteful number, since it uses less digits than its factorization.

33452720421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4831635.

The product of its (nonzero) digits is 40320, while the sum is 33.

The spelling of 33452720421 in words is "thirty-three billion, four hundred fifty-two million, seven hundred twenty thousand, four hundred twenty-one".