352645663493 has 2 divisors, whose sum is σ = 352645663494. Its totient is φ = 352645663492.

The previous prime is 352645663459. The next prime is 352645663583. The reversal of 352645663493 is 394366546253.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 334336055524 + 18309607969 = 578218^2 + 135313^2 .

It is a cyclic number.

It is not a de Polignac number, because 352645663493 - 2⁶ = 352645663429 is a prime.

It is a super-2 number, since 2×352645663493² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (352645663093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176322831746 + 176322831747.

It is an arithmetic number, because the mean of its divisors is an integer number (176322831747).

Almost surely, 2^352645663493 is an apocalyptic number.

It is an amenable number.

352645663493 is a deficient number, since it is larger than the sum of its proper divisors (1).

352645663493 is an equidigital number, since it uses as much as digits as its factorization.

352645663493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41990400, while the sum is 56.

The spelling of 352645663493 in words is "three hundred fifty-two billion, six hundred forty-five million, six hundred sixty-three thousand, four hundred ninety-three".