100444355563 has 2 divisors, whose sum is σ = 100444355564. Its totient is φ = 100444355562.

The previous prime is 100444355533. The next prime is 100444355567. The reversal of 100444355563 is 365553444001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100444355563 is a prime.

It is not a weakly prime, because it can be changed into another prime (100444355567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50222177781 + 50222177782.

It is an arithmetic number, because the mean of its divisors is an integer number (50222177782).

Almost surely, 2^100444355563 is an apocalyptic number.

100444355563 is a deficient number, since it is larger than the sum of its proper divisors (1).

100444355563 is an equidigital number, since it uses as much as digits as its factorization.

100444355563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432000, while the sum is 40.

Adding to 100444355563 its reverse (365553444001), we get a palindrome (465997799564).

The spelling of 100444355563 in words is "one hundred billion, four hundred forty-four million, three hundred fifty-five thousand, five hundred sixty-three".