3231840091864 has 8 divisors (see below), whose sum is σ = 6059700172260. Its totient is φ = 1615920045928.

The previous prime is 3231840091817. The next prime is 3231840091867. The reversal of 3231840091864 is 4681900481323.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3231840091867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201990005734 + ... + 201990005749.

Almost surely, 2^{3231840091864} is an apocalyptic number.

It is an amenable number.

3231840091864 is a deficient number, since it is larger than the sum of its proper divisors (2827860080396).

3231840091864 is a wasteful number, since it uses less digits than its factorization.

3231840091864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403980011489 (or 403980011485 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 49.

The spelling of 3231840091864 in words is "three trillion, two hundred thirty-one billion, eight hundred forty million, ninety-one thousand, eight hundred sixty-four".