33341340421 has 4 divisors (see below), whose sum is σ = 33341750892. Its totient is φ = 33340929952.

The previous prime is 33341340371. The next prime is 33341340427. The reversal of 33341340421 is 12404314333.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 3817509796 + 29523830625 = 61786^2 + 171825^2 .

It is a cyclic number.

It is not a de Polignac number, because 33341340421 - 2¹⁹ = 33340816133 is a prime.

It is a super-2 number, since 2×33341340421² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 33341340421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33341340427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37936 + ... + 261001.

It is an arithmetic number, because the mean of its divisors is an integer number (8335437723).

Almost surely, 2^33341340421 is an apocalyptic number.

It is an amenable number.

33341340421 is a deficient number, since it is larger than the sum of its proper divisors (410471).

33341340421 is a wasteful number, since it uses less digits than its factorization.

33341340421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410470.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 33341340421 its reverse (12404314333), we get a palindrome (45745654754).

The spelling of 33341340421 in words is "thirty-three billion, three hundred forty-one million, three hundred forty thousand, four hundred twenty-one".