33410011421 has 4 divisors (see below), whose sum is σ = 33449179932. Its totient is φ = 33370842912.

The previous prime is 33410011399. The next prime is 33410011433. The reversal of 33410011421 is 12411001433.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12411001433 = 85193 ⋅145681.

It can be written as a sum of positive squares in 2 ways, for example, as 8595885796 + 24814125625 = 92714^2 + 157525^2 .

It is a cyclic number.

It is not a de Polignac number, because 33410011421 - 2¹⁸ = 33409749277 is a prime.

It is a super-2 number, since 2×33410011421² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33410011393 and 33410011402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33410011441) 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, 19582976 + ... + 19584681.

It is an arithmetic number, because the mean of its divisors is an integer number (8362294983).

Almost surely, 2^33410011421 is an apocalyptic number.

It is an amenable number.

33410011421 is a deficient number, since it is larger than the sum of its proper divisors (39168511).

33410011421 is an equidigital number, since it uses as much as digits as its factorization.

33410011421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39168510.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 33410011421 its reverse (12411001433), we get a palindrome (45821012854).

The spelling of 33410011421 in words is "thirty-three billion, four hundred ten million, eleven thousand, four hundred twenty-one".