993525557543 has 2 divisors, whose sum is σ = 993525557544. Its totient is φ = 993525557542.

The previous prime is 993525557483. The next prime is 993525557551. The reversal of 993525557543 is 345755525399.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 993525557543 - 2¹⁴ = 993525541159 is a prime.

It is a super-2 number, since 2×993525557543² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (993525557573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 496762778771 + 496762778772.

It is an arithmetic number, because the mean of its divisors is an integer number (496762778772).

Almost surely, 2^993525557543 is an apocalyptic number.

993525557543 is a deficient number, since it is larger than the sum of its proper divisors (1).

993525557543 is an equidigital number, since it uses as much as digits as its factorization.

993525557543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 127575000, while the sum is 62.

The spelling of 993525557543 in words is "nine hundred ninety-three billion, five hundred twenty-five million, five hundred fifty-seven thousand, five hundred forty-three".