10244005861 has 2 divisors, whose sum is σ = 10244005862. Its totient is φ = 10244005860.

The previous prime is 10244005859. The next prime is 10244005879. The reversal of 10244005861 is 16850044201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7704450625 + 2539555236 = 87775^2 + 50394^2 .

It is a cyclic number.

It is not a de Polignac number, because 10244005861 - 2¹ = 10244005859 is a prime.

Together with 10244005859, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10244005361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5122002930 + 5122002931.

It is an arithmetic number, because the mean of its divisors is an integer number (5122002931).

Almost surely, 2^10244005861 is an apocalyptic number.

It is an amenable number.

10244005861 is a deficient number, since it is larger than the sum of its proper divisors (1).

10244005861 is an equidigital number, since it uses as much as digits as its factorization.

10244005861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7680, while the sum is 31.

The spelling of 10244005861 in words is "ten billion, two hundred forty-four million, five thousand, eight hundred sixty-one".