100090905853 has 2 divisors, whose sum is σ = 100090905854. Its totient is φ = 100090905852.

The previous prime is 100090905841. The next prime is 100090905919. The reversal of 100090905853 is 358509090001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84260736729 + 15830169124 = 290277^2 + 125818^2 .

It is a cyclic number.

It is not a de Polignac number, because 100090905853 - 2¹⁷ = 100090774781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100090905053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50045452926 + 50045452927.

It is an arithmetic number, because the mean of its divisors is an integer number (50045452927).

Almost surely, 2^100090905853 is an apocalyptic number.

It is an amenable number.

100090905853 is a deficient number, since it is larger than the sum of its proper divisors (1).

100090905853 is an equidigital number, since it uses as much as digits as its factorization.

100090905853 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48600, while the sum is 40.

Adding to 100090905853 its reverse (358509090001), we get a palindrome (458599995854).

The spelling of 100090905853 in words is "one hundred billion, ninety million, nine hundred five thousand, eight hundred fifty-three".