5321557315673 has 4 divisors (see below), whose sum is σ = 5322844897188. Its totient is φ = 5320269734160.

The previous prime is 5321557315667. The next prime is 5321557315691. The reversal of 5321557315673 is 3765137551235.

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 2586992378569 + 2734564937104 = 1608413^2 + 1653652^2 .

It is a cyclic number.

It is not a de Polignac number, because 5321557315673 - 2⁶ = 5321557315609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5321557315073) 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, 643784558 + ... + 643792823.

It is an arithmetic number, because the mean of its divisors is an integer number (1330711224297).

Almost surely, 2^{5321557315673} is an apocalyptic number.

It is an amenable number.

5321557315673 is a deficient number, since it is larger than the sum of its proper divisors (1287581515).

5321557315673 is a wasteful number, since it uses less digits than its factorization.

5321557315673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1287581514.

The product of its digits is 9922500, while the sum is 53.

The spelling of 5321557315673 in words is "five trillion, three hundred twenty-one billion, five hundred fifty-seven million, three hundred fifteen thousand, six hundred seventy-three".