324445544497 has 2 divisors, whose sum is σ = 324445544498. Its totient is φ = 324445544496.

The previous prime is 324445544369. The next prime is 324445544519. The reversal of 324445544497 is 794445544423.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 321439105936 + 3006438561 = 566956^2 + 54831^2 .

It is a cyclic number.

It is not a de Polignac number, because 324445544497 - 2⁷ = 324445544369 is a prime.

It is a super-2 number, since 2×324445544497² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (324445544197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162222772248 + 162222772249.

It is an arithmetic number, because the mean of its divisors is an integer number (162222772249).

Almost surely, 2^324445544497 is an apocalyptic number.

It is an amenable number.

324445544497 is a deficient number, since it is larger than the sum of its proper divisors (1).

324445544497 is an equidigital number, since it uses as much as digits as its factorization.

324445544497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38707200, while the sum is 55.

The spelling of 324445544497 in words is "three hundred twenty-four billion, four hundred forty-five million, five hundred forty-four thousand, four hundred ninety-seven".