326263291253 has 16 divisors (see below), whose sum is σ = 349976298240. Its totient is φ = 303065258496.

The previous prime is 326263291231. The next prime is 326263291259. The reversal of 326263291253 is 352192362623.

It is a cyclic number.

It is not a de Polignac number, because 326263291253 - 2¹⁰ = 326263290229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326263291259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 630500 + ... + 1024722.

It is an arithmetic number, because the mean of its divisors is an integer number (21873518640).

Almost surely, 2^326263291253 is an apocalyptic number.

It is an amenable number.

326263291253 is a deficient number, since it is larger than the sum of its proper divisors (23713006987).

326263291253 is a wasteful number, since it uses less digits than its factorization.

326263291253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394876.

The product of its digits is 699840, while the sum is 44.

The spelling of 326263291253 in words is "three hundred twenty-six billion, two hundred sixty-three million, two hundred ninety-one thousand, two hundred fifty-three".