9866773051 has 2 divisors, whose sum is σ = 9866773052. Its totient is φ = 9866773050.

The previous prime is 9866773003. The next prime is 9866773057. The reversal of 9866773051 is 1503776689.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9866773051 - 2¹⁷ = 9866641979 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9866773051.

It is not a weakly prime, because it can be changed into another prime (9866773057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4933386525 + 4933386526.

It is an arithmetic number, because the mean of its divisors is an integer number (4933386526).

Almost surely, 2^9866773051 is an apocalyptic number.

9866773051 is a deficient number, since it is larger than the sum of its proper divisors (1).

9866773051 is an equidigital number, since it uses as much as digits as its factorization.

9866773051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1905120, while the sum is 52.

The square root of 9866773051 is about 99331.6316739034. The cubic root of 9866773051 is about 2144.8242585265.

The spelling of 9866773051 in words is "nine billion, eight hundred sixty-six million, seven hundred seventy-three thousand, fifty-one".