326986630893 has 16 divisors (see below), whose sum is σ = 521688072640. Its totient is φ = 201222541872.

The previous prime is 326986630891. The next prime is 326986630913. The reversal of 326986630893 is 398036689623.

326986630893 is a `hidden beast` number, since 3 + 269 + 8 + 66 + 308 + 9 + 3 = 666.

It is not a de Polignac number, because 326986630893 - 2¹ = 326986630891 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 326986630893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326986630891) 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, 465792571 + ... + 465793272.

It is an arithmetic number, because the mean of its divisors is an integer number (32605504540).

Almost surely, 2^326986630893 is an apocalyptic number.

It is an amenable number.

326986630893 is a deficient number, since it is larger than the sum of its proper divisors (194701441747).

326986630893 is a wasteful number, since it uses less digits than its factorization.

326986630893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931585865 (or 931585859 counting only the distinct ones).

The product of its (nonzero) digits is 60466176, while the sum is 63.

The spelling of 326986630893 in words is "three hundred twenty-six billion, nine hundred eighty-six million, six hundred thirty thousand, eight hundred ninety-three".