352312145226641 has 4 divisors (see below), whose sum is σ = 352410528962484. Its totient is φ = 352213761490800.

The previous prime is 352312145226631. The next prime is 352312145226683. The reversal of 352312145226641 is 146622541213253.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 313506720866641 + 38805424360000 = 17706121^2 + 6229400^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-352312145226641 is a prime.

It is a super-2 number, since 2×352312145226641² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (352312145226631) 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 in 3 ways as a sum of consecutive naturals, for example, 49191862550 + ... + 49191869711.

It is an arithmetic number, because the mean of its divisors is an integer number (88102632240621).

Almost surely, 2^{352312145226641} is an apocalyptic number.

It is an amenable number.

352312145226641 is a deficient number, since it is larger than the sum of its proper divisors (98383735843).

352312145226641 is an equidigital number, since it uses as much as digits as its factorization.

352312145226641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98383735842.

The product of its digits is 2073600, while the sum is 47.

Adding to 352312145226641 its reverse (146622541213253), we get a palindrome (498934686439894).

The spelling of 352312145226641 in words is "three hundred fifty-two trillion, three hundred twelve billion, one hundred forty-five million, two hundred twenty-six thousand, six hundred forty-one".