9845342251 has 2 divisors, whose sum is σ = 9845342252. Its totient is φ = 9845342250.

The previous prime is 9845342237. The next prime is 9845342383. The reversal of 9845342251 is 1522435489.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9845342251 - 2²¹ = 9843245099 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9845342198 and 9845342207.

It is not a weakly prime, because it can be changed into another prime (9845342851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4922671125 + 4922671126.

It is an arithmetic number, because the mean of its divisors is an integer number (4922671126).

Almost surely, 2^9845342251 is an apocalyptic number.

9845342251 is a deficient number, since it is larger than the sum of its proper divisors (1).

9845342251 is an equidigital number, since it uses as much as digits as its factorization.

9845342251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 345600, while the sum is 43.

The square root of 9845342251 is about 99223.6980312667. The cubic root of 9845342251 is about 2143.2702678807.

The spelling of 9845342251 in words is "nine billion, eight hundred forty-five million, three hundred forty-two thousand, two hundred fifty-one".