3243518918973 has 12 divisors (see below), whose sum is σ = 4705722017568. Its totient is φ = 2152820191560.

The previous prime is 3243518918951. The next prime is 3243518918999. The reversal of 3243518918973 is 3798198153423.

3243518918973 is a `hidden beast` number, since 3 + 2 + 43 + 518 + 9 + 1 + 8 + 9 + 73 = 666.

It is not a de Polignac number, because 3243518918973 - 2¹³ = 3243518910781 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3243518918973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3243518918903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 793810713 + ... + 793814798.

It is an arithmetic number, because the mean of its divisors is an integer number (392143501464).

Almost surely, 2^{3243518918973} is an apocalyptic number.

It is an amenable number.

3243518918973 is a deficient number, since it is larger than the sum of its proper divisors (1462203098595).

3243518918973 is a wasteful number, since it uses less digits than its factorization.

3243518918973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1587625744 (or 1587625741 counting only the distinct ones).

The product of its digits is 39191040, while the sum is 63.

The spelling of 3243518918973 in words is "three trillion, two hundred forty-three billion, five hundred eighteen million, nine hundred eighteen thousand, nine hundred seventy-three".