945397189127 has 2 divisors, whose sum is σ = 945397189128. Its totient is φ = 945397189126.

The previous prime is 945397189123. The next prime is 945397189129. The reversal of 945397189127 is 721981793549.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 945397189127 - 2² = 945397189123 is a prime.

Together with 945397189129, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (945397189123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 472698594563 + 472698594564.

It is an arithmetic number, because the mean of its divisors is an integer number (472698594564).

Almost surely, 2^945397189127 is an apocalyptic number.

945397189127 is a deficient number, since it is larger than the sum of its proper divisors (1).

945397189127 is an equidigital number, since it uses as much as digits as its factorization.

945397189127 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34292160, while the sum is 65.

The spelling of 945397189127 in words is "nine hundred forty-five billion, three hundred ninety-seven million, one hundred eighty-nine thousand, one hundred twenty-seven".