33445434514421 has 8 divisors (see below), whose sum is σ = 33481876587480. Its totient is φ = 33408993390592.

The previous prime is 33445434514391. The next prime is 33445434514439. The reversal of 33445434514421 is 12441543454433.

It can be written as a sum of positive squares in 4 ways, for example, as 10441228601521 + 23004205912900 = 3231289^2 + 4796270^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 33445434514421 - 2³⁴ = 33428254645237 is a prime.

It is a super-2 number, since 2×33445434514421² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33445434514441) 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, 88152101 + ... + 88530693.

It is an arithmetic number, because the mean of its divisors is an integer number (4185234573435).

Almost surely, 2^{33445434514421} is an apocalyptic number.

It is an amenable number.

33445434514421 is a deficient number, since it is larger than the sum of its proper divisors (36442073059).

33445434514421 is an equidigital number, since it uses as much as digits as its factorization.

33445434514421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474615.

The product of its digits is 5529600, while the sum is 47.

Adding to 33445434514421 its reverse (12441543454433), we get a palindrome (45886977968854).

The spelling of 33445434514421 in words is "thirty-three trillion, four hundred forty-five billion, four hundred thirty-four million, five hundred fourteen thousand, four hundred twenty-one".