10407989861 has 2 divisors, whose sum is σ = 10407989862. Its totient is φ = 10407989860.

The previous prime is 10407989833. The next prime is 10407989899. The reversal of 10407989861 is 16898970401.

10407989861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6271056100 + 4136933761 = 79190^2 + 64319^2 .

It is a cyclic number.

It is not a de Polignac number, because 10407989861 - 2⁶ = 10407989797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10407989821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5203994930 + 5203994931.

It is an arithmetic number, because the mean of its divisors is an integer number (5203994931).

Almost surely, 2^10407989861 is an apocalyptic number.

It is an amenable number.

10407989861 is a deficient number, since it is larger than the sum of its proper divisors (1).

10407989861 is an equidigital number, since it uses as much as digits as its factorization.

10407989861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 870912, while the sum is 53.

The spelling of 10407989861 in words is "ten billion, four hundred seven million, nine hundred eighty-nine thousand, eight hundred sixty-one".