105543857633 has 2 divisors, whose sum is σ = 105543857634. Its totient is φ = 105543857632.

The previous prime is 105543857611. The next prime is 105543857659. The reversal of 105543857633 is 336758345501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53590861009 + 51952996624 = 231497^2 + 227932^2 .

It is a cyclic number.

It is not a de Polignac number, because 105543857633 - 2¹⁰ = 105543856609 is a prime.

It is a super-2 number, since 2×105543857633² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105543857333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52771928816 + 52771928817.

It is an arithmetic number, because the mean of its divisors is an integer number (52771928817).

Almost surely, 2^105543857633 is an apocalyptic number.

It is an amenable number.

105543857633 is a deficient number, since it is larger than the sum of its proper divisors (1).

105543857633 is an equidigital number, since it uses as much as digits as its factorization.

105543857633 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536000, while the sum is 50.

The spelling of 105543857633 in words is "one hundred five billion, five hundred forty-three million, eight hundred fifty-seven thousand, six hundred thirty-three".