945398020571 has 8 divisors (see below), whose sum is σ = 976125628800. Its totient is φ = 914684843520.

The previous prime is 945398020543. The next prime is 945398020591. The reversal of 945398020571 is 175020893549.

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

It is a cyclic number.

It is not a de Polignac number, because 945398020571 - 2³⁰ = 944324278747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (945398020591) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3474566 + ... + 3736763.

It is an arithmetic number, because the mean of its divisors is an integer number (122015703600).

Almost surely, 2^945398020571 is an apocalyptic number.

945398020571 is a deficient number, since it is larger than the sum of its proper divisors (30727608229).

945398020571 is a wasteful number, since it uses less digits than its factorization.

945398020571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7215589.

The product of its (nonzero) digits is 2721600, while the sum is 53.

The spelling of 945398020571 in words is "nine hundred forty-five billion, three hundred ninety-eight million, twenty thousand, five hundred seventy-one".