9500839973 has 2 divisors, whose sum is σ = 9500839974. Its totient is φ = 9500839972.

The previous prime is 9500839967. The next prime is 9500840003. The reversal of 9500839973 is 3799380059.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9475659649 + 25180324 = 97343^2 + 5018^2 .

It is a cyclic number.

It is not a de Polignac number, because 9500839973 - 2⁸ = 9500839717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9500839903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4750419986 + 4750419987.

It is an arithmetic number, because the mean of its divisors is an integer number (4750419987).

Almost surely, 2^9500839973 is an apocalyptic number.

It is an amenable number.

9500839973 is a deficient number, since it is larger than the sum of its proper divisors (1).

9500839973 is an equidigital number, since it uses as much as digits as its factorization.

9500839973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1837080, while the sum is 53.

The square root of 9500839973 is about 97472.2523234177. The cubic root of 9500839973 is about 2117.9742109447.

The spelling of 9500839973 in words is "nine billion, five hundred million, eight hundred thirty-nine thousand, nine hundred seventy-three".