951047989 has 2 divisors, whose sum is σ = 951047990. Its totient is φ = 951047988.

The previous prime is 951047971. The next prime is 951048001. The reversal of 951047989 is 989740159.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 476548900 + 474499089 = 21830^2 + 21783^2 .

It is a cyclic number.

It is not a de Polignac number, because 951047989 - 2¹⁹ = 950523701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (951047969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 475523994 + 475523995.

It is an arithmetic number, because the mean of its divisors is an integer number (475523995).

Almost surely, 2^951047989 is an apocalyptic number.

It is an amenable number.

951047989 is a deficient number, since it is larger than the sum of its proper divisors (1).

951047989 is an equidigital number, since it uses as much as digits as its factorization.

951047989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 816480, while the sum is 52.

The square root of 951047989 is about 30839.0659553755. The cubic root of 951047989 is about 983.4089214198.

The spelling of 951047989 in words is "nine hundred fifty-one million, forty-seven thousand, nine hundred eighty-nine".