10189195777 has 2 divisors, whose sum is σ = 10189195778. Its totient is φ = 10189195776.

The previous prime is 10189195741. The next prime is 10189195787. The reversal of 10189195777 is 77759198101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7230270961 + 2958924816 = 85031^2 + 54396^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10189195777 is a prime.

It is not a weakly prime, because it can be changed into another prime (10189195787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5094597888 + 5094597889.

It is an arithmetic number, because the mean of its divisors is an integer number (5094597889).

Almost surely, 2^10189195777 is an apocalyptic number.

It is an amenable number.

10189195777 is a deficient number, since it is larger than the sum of its proper divisors (1).

10189195777 is an equidigital number, since it uses as much as digits as its factorization.

10189195777 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1111320, while the sum is 55.

The spelling of 10189195777 in words is "ten billion, one hundred eighty-nine million, one hundred ninety-five thousand, seven hundred seventy-seven".