10061563909 has 2 divisors, whose sum is σ = 10061563910. Its totient is φ = 10061563908.

The previous prime is 10061563903. The next prime is 10061563979. The reversal of 10061563909 is 90936516001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10024414884 + 37149025 = 100122^2 + 6095^2 .

It is a cyclic number.

It is not a de Polignac number, because 10061563909 - 2³³ = 1471629317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10061563903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5030781954 + 5030781955.

It is an arithmetic number, because the mean of its divisors is an integer number (5030781955).

Almost surely, 2^10061563909 is an apocalyptic number.

It is an amenable number.

10061563909 is a deficient number, since it is larger than the sum of its proper divisors (1).

10061563909 is an equidigital number, since it uses as much as digits as its factorization.

10061563909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43740, while the sum is 40.

The spelling of 10061563909 in words is "ten billion, sixty-one million, five hundred sixty-three thousand, nine hundred nine".