326143083784705 has 16 divisors (see below), whose sum is σ = 427021249618944. Its totient is φ = 237155912484480.

The previous prime is 326143083784703. The next prime is 326143083784729. The reversal of 326143083784705 is 507487380341623.

It is not a de Polignac number, because 326143083784705 - 2¹ = 326143083784703 is a prime.

It is a super-2 number, since 2×326143083784705² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (326143083784703) 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, 487882209 + ... + 488550238.

It is an arithmetic number, because the mean of its divisors is an integer number (26688828101184).

Almost surely, 2^{326143083784705} is an apocalyptic number.

It is an amenable number.

326143083784705 is a deficient number, since it is larger than the sum of its proper divisors (100878165834239).

326143083784705 is a wasteful number, since it uses less digits than its factorization.

326143083784705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976438536.

The product of its (nonzero) digits is 81285120, while the sum is 61.

The spelling of 326143083784705 in words is "three hundred twenty-six trillion, one hundred forty-three billion, eighty-three million, seven hundred eighty-four thousand, seven hundred five".