33041413421 has 6 divisors (see below), whose sum is σ = 34871963022. Its totient is φ = 31302391320.

The previous prime is 33041413403. The next prime is 33041413429. The reversal of 33041413421 is 12431414033.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 19635015625 + 13406397796 = 140125^2 + 115786^2 .

It is not a de Polignac number, because 33041413421 - 2²⁶ = 32974304557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33041413429) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45763370 + ... + 45764091.

It is an arithmetic number, because the mean of its divisors is an integer number (5811993837).

Almost surely, 2^33041413421 is an apocalyptic number.

It is an amenable number.

33041413421 is a deficient number, since it is larger than the sum of its proper divisors (1830549601).

33041413421 is an equidigital number, since it uses as much as digits as its factorization.

33041413421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91527499 (or 91527480 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 33041413421 its reverse (12431414033), we get a palindrome (45472827454).

The spelling of 33041413421 in words is "thirty-three billion, forty-one million, four hundred thirteen thousand, four hundred twenty-one".