324157263497 has 2 divisors, whose sum is σ = 324157263498. Its totient is φ = 324157263496.

The previous prime is 324157263379. The next prime is 324157263503. The reversal of 324157263497 is 794362751423.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 270791181376 + 53366082121 = 520376^2 + 231011^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-324157263497 is a prime.

It is not a weakly prime, because it can be changed into another prime (324157763497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162078631748 + 162078631749.

It is an arithmetic number, because the mean of its divisors is an integer number (162078631749).

Almost surely, 2^324157263497 is an apocalyptic number.

It is an amenable number.

324157263497 is a deficient number, since it is larger than the sum of its proper divisors (1).

324157263497 is an equidigital number, since it uses as much as digits as its factorization.

324157263497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7620480, while the sum is 53.

The spelling of 324157263497 in words is "three hundred twenty-four billion, one hundred fifty-seven million, two hundred sixty-three thousand, four hundred ninety-seven".