8442925961 has 2 divisors, whose sum is σ = 8442925962. Its totient is φ = 8442925960.

The previous prime is 8442925949. The next prime is 8442925963. The reversal of 8442925961 is 1695292448.

8442925961 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4491546361 + 3951379600 = 67019^2 + 62860^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8442925961 is a prime.

Together with 8442925963, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8442925963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4221462980 + 4221462981.

It is an arithmetic number, because the mean of its divisors is an integer number (4221462981).

Almost surely, 2^8442925961 is an apocalyptic number.

It is an amenable number.

8442925961 is a deficient number, since it is larger than the sum of its proper divisors (1).

8442925961 is an equidigital number, since it uses as much as digits as its factorization.

8442925961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1244160, while the sum is 50.

The square root of 8442925961 is about 91885.3957982442. The cubic root of 8442925961 is about 2036.2495137234.

The spelling of 8442925961 in words is "eight billion, four hundred forty-two million, nine hundred twenty-five thousand, nine hundred sixty-one".