21403333341 has 24 divisors (see below), whose sum is σ = 33304698336. Its totient is φ = 13167079200.

The previous prime is 21403333309. The next prime is 21403333363. The reversal of 21403333341 is 14333330412.

It is not a de Polignac number, because 21403333341 - 2⁵ = 21403333309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21403333741) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 361266 + ... + 416316.

It is an arithmetic number, because the mean of its divisors is an integer number (1387695764).

Almost surely, 2^21403333341 is an apocalyptic number.

It is an amenable number.

21403333341 is a deficient number, since it is larger than the sum of its proper divisors (11901364995).

21403333341 is a wasteful number, since it uses less digits than its factorization.

21403333341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58393 (or 58390 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 21403333341 its reverse (14333330412), we get a palindrome (35736663753).

The spelling of 21403333341 in words is "twenty-one billion, four hundred three million, three hundred thirty-three thousand, three hundred forty-one".