75243432612353 has 4 divisors (see below), whose sum is σ = 76019138103300. Its totient is φ = 74467727121408.

The previous prime is 75243432612347. The next prime is 75243432612463. The reversal of 75243432612353 is 35321623434257.

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 45755578618369 + 29487853993984 = 6764287^2 + 5430272^2 .

It is a cyclic number.

It is not a de Polignac number, because 75243432612353 - 2¹⁰ = 75243432611329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75243432612323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 387852745328 + ... + 387852745521.

It is an arithmetic number, because the mean of its divisors is an integer number (19004784525825).

Almost surely, 2^{75243432612353} is an apocalyptic number.

It is an amenable number.

75243432612353 is a deficient number, since it is larger than the sum of its proper divisors (775705490947).

75243432612353 is an equidigital number, since it uses as much as digits as its factorization.

75243432612353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775705490946.

The product of its digits is 10886400, while the sum is 50.

The spelling of 75243432612353 in words is "seventy-five trillion, two hundred forty-three billion, four hundred thirty-two million, six hundred twelve thousand, three hundred fifty-three".