9621250273 has 2 divisors, whose sum is σ = 9621250274. Its totient is φ = 9621250272.

The previous prime is 9621250271. The next prime is 9621250319. The reversal of 9621250273 is 3720521269.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8401005649 + 1220244624 = 91657^2 + 34932^2 .

It is a cyclic number.

It is not a de Polignac number, because 9621250273 - 2¹ = 9621250271 is a prime.

Together with 9621250271, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (9621250271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4810625136 + 4810625137.

It is an arithmetic number, because the mean of its divisors is an integer number (4810625137).

Almost surely, 2^9621250273 is an apocalyptic number.

It is an amenable number.

9621250273 is a deficient number, since it is larger than the sum of its proper divisors (1).

9621250273 is an equidigital number, since it uses as much as digits as its factorization.

9621250273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 9621250273 is about 98087.9721117732. The cubic root of 9621250273 is about 2126.8841621874.

The spelling of 9621250273 in words is "nine billion, six hundred twenty-one million, two hundred fifty thousand, two hundred seventy-three".