945170895601 has 3 divisors (see below), whose sum is σ = 945171867801. Its totient is φ = 945169923402.

The previous prime is 945170895589. The next prime is 945170895611. The reversal of 945170895601 is 106598071549.

It is a happy number.

The square root of 945170895601 is 972199.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 945170895601 - 2⁵ = 945170895569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (945170895611) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 486100 + ... + 1458298.

It is an arithmetic number, because the mean of its divisors is an integer number (315057289267).

Almost surely, 2^945170895601 is an apocalyptic number.

945170895601 is the 972199-th square number.

945170895601 is the 486100-th centered octagonal number.

It is an amenable number.

945170895601 is a deficient number, since it is larger than the sum of its proper divisors (972200).

945170895601 is an frugal number, since it uses more digits than its factorization.

945170895601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1944398 (or 972199 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 55.

The spelling of 945170895601 in words is "nine hundred forty-five billion, one hundred seventy million, eight hundred ninety-five thousand, six hundred one".