945519897 has 8 divisors (see below), whose sum is σ = 1440792256. Its totient is φ = 540297072.

The previous prime is 945519893. The next prime is 945519917. The reversal of 945519897 is 798915549.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 945519897 - 2² = 945519893 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (945519893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22512358 + ... + 22512399.

It is an arithmetic number, because the mean of its divisors is an integer number (180099032).

Almost surely, 2^945519897 is an apocalyptic number.

It is an amenable number.

945519897 is a deficient number, since it is larger than the sum of its proper divisors (495272359).

945519897 is a wasteful number, since it uses less digits than its factorization.

945519897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45024767.

The product of its digits is 4082400, while the sum is 57.

The square root of 945519897 is about 30749.3072604896. The cubic root of 945519897 is about 981.4998195951.

The spelling of 945519897 in words is "nine hundred forty-five million, five hundred nineteen thousand, eight hundred ninety-seven".