100244043331477 has 2 divisors, whose sum is σ = 100244043331478. Its totient is φ = 100244043331476.

The previous prime is 100244043331357. The next prime is 100244043331489. The reversal of 100244043331477 is 774133340442001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95103239863921 + 5140803467556 = 9752089^2 + 2267334^2 .

It is a cyclic number.

It is not a de Polignac number, because 100244043331477 - 2⁷ = 100244043331349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100244043331177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50122021665738 + 50122021665739.

It is an arithmetic number, because the mean of its divisors is an integer number (50122021665739).

Almost surely, 2^{100244043331477} is an apocalyptic number.

It is an amenable number.

100244043331477 is a deficient number, since it is larger than the sum of its proper divisors (1).

100244043331477 is an equidigital number, since it uses as much as digits as its factorization.

100244043331477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 677376, while the sum is 43.

Adding to 100244043331477 its reverse (774133340442001), we get a palindrome (874377383773478).

The spelling of 100244043331477 in words is "one hundred trillion, two hundred forty-four billion, forty-three million, three hundred thirty-one thousand, four hundred seventy-seven".