324993869477 has 2 divisors, whose sum is σ = 324993869478. Its totient is φ = 324993869476.

The previous prime is 324993869449. The next prime is 324993869503. The reversal of 324993869477 is 774968399423.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 296982491521 + 28011377956 = 544961^2 + 167366^2 .

It is an emirp because it is prime and its reverse (774968399423) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 324993869477 - 2²⁴ = 324977092261 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 324993869477.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (324993869407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162496934738 + 162496934739.

It is an arithmetic number, because the mean of its divisors is an integer number (162496934739).

Almost surely, 2^324993869477 is an apocalyptic number.

It is an amenable number.

324993869477 is a deficient number, since it is larger than the sum of its proper divisors (1).

324993869477 is an equidigital number, since it uses as much as digits as its factorization.

324993869477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 493807104, while the sum is 71.

The spelling of 324993869477 in words is "three hundred twenty-four billion, nine hundred ninety-three million, eight hundred sixty-nine thousand, four hundred seventy-seven".