8442510851 has 2 divisors, whose sum is σ = 8442510852. Its totient is φ = 8442510850.

The previous prime is 8442510803. The next prime is 8442510871. The reversal of 8442510851 is 1580152448.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8442510851 is a prime.

It is not a weakly prime, because it can be changed into another prime (8442510871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4221255425 + 4221255426.

It is an arithmetic number, because the mean of its divisors is an integer number (4221255426).

Almost surely, 2^8442510851 is an apocalyptic number.

8442510851 is a deficient number, since it is larger than the sum of its proper divisors (1).

8442510851 is an equidigital number, since it uses as much as digits as its factorization.

8442510851 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51200, while the sum is 38.

The square root of 8442510851 is about 91883.1369240298. The cubic root of 8442510851 is about 2036.2161413517.

The spelling of 8442510851 in words is "eight billion, four hundred forty-two million, five hundred ten thousand, eight hundred fifty-one".