43313274315593 has 2 divisors, whose sum is σ = 43313274315594. Its totient is φ = 43313274315592.

The previous prime is 43313274315511. The next prime is 43313274315599. The reversal of 43313274315593 is 39551347231334.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25691648728249 + 17621625587344 = 5068693^2 + 4197812^2 .

It is a cyclic number.

It is not a de Polignac number, because 43313274315593 - 2¹⁸ = 43313274053449 is a prime.

It is not a weakly prime, because it can be changed into another prime (43313274315599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21656637157796 + 21656637157797.

It is an arithmetic number, because the mean of its divisors is an integer number (21656637157797).

Almost surely, 2^{43313274315593} is an apocalyptic number.

It is an amenable number.

43313274315593 is a deficient number, since it is larger than the sum of its proper divisors (1).

43313274315593 is an equidigital number, since it uses as much as digits as its factorization.

43313274315593 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12247200, while the sum is 53.

The spelling of 43313274315593 in words is "forty-three trillion, three hundred thirteen billion, two hundred seventy-four million, three hundred fifteen thousand, five hundred ninety-three".