21353326265234 has 8 divisors (see below), whose sum is σ = 33914106421308. Its totient is φ = 10048624124800.

The previous prime is 21353326265221. The next prime is 21353326265267. The reversal of 21353326265234 is 43256262335312.

It can be written as a sum of positive squares in 2 ways, for example, as 18559424044225 + 2793902221009 = 4308065^2 + 1671497^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314019503867 + ... + 314019503934.

Almost surely, 2^{21353326265234} is an apocalyptic number.

21353326265234 is a deficient number, since it is larger than the sum of its proper divisors (12560780156074).

21353326265234 is a wasteful number, since it uses less digits than its factorization.

21353326265234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628039007820.

The product of its digits is 4665600, while the sum is 47.

The spelling of 21353326265234 in words is "twenty-one trillion, three hundred fifty-three billion, three hundred twenty-six million, two hundred sixty-five thousand, two hundred thirty-four".