10200909689 has 2 divisors, whose sum is σ = 10200909690. Its totient is φ = 10200909688.

The previous prime is 10200909683. The next prime is 10200909709. The reversal of 10200909689 is 98690900201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7012387600 + 3188522089 = 83740^2 + 56467^2 .

It is a cyclic number.

It is not a de Polignac number, because 10200909689 - 2⁴ = 10200909673 is a prime.

It is not a weakly prime, because it can be changed into another prime (10200909683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5100454844 + 5100454845.

It is an arithmetic number, because the mean of its divisors is an integer number (5100454845).

Almost surely, 2^10200909689 is an apocalyptic number.

It is an amenable number.

10200909689 is a deficient number, since it is larger than the sum of its proper divisors (1).

10200909689 is an equidigital number, since it uses as much as digits as its factorization.

10200909689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 44.

The spelling of 10200909689 in words is "ten billion, two hundred million, nine hundred nine thousand, six hundred eighty-nine".