21352315333 has 16 divisors (see below), whose sum is σ = 22848134400. Its totient is φ = 19884268800.

The previous prime is 21352315331. The next prime is 21352315337. The reversal of 21352315333 is 33351325312.

It is a cyclic number.

It is not a de Polignac number, because 21352315333 - 2¹ = 21352315331 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21352315295 and 21352315304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21352315331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 594888 + ... + 629758.

It is an arithmetic number, because the mean of its divisors is an integer number (1428008400).

Almost surely, 2^21352315333 is an apocalyptic number.

It is an amenable number.

21352315333 is a deficient number, since it is larger than the sum of its proper divisors (1495819067).

21352315333 is a wasteful number, since it uses less digits than its factorization.

21352315333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35268.

The product of its digits is 24300, while the sum is 31.

The spelling of 21352315333 in words is "twenty-one billion, three hundred fifty-two million, three hundred fifteen thousand, three hundred thirty-three".