945570979 has 4 divisors (see below), whose sum is σ = 945635800. Its totient is φ = 945506160.

The previous prime is 945570961. The next prime is 945571019. The reversal of 945570979 is 979075549.

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 a cyclic number.

It is not a de Polignac number, because 945570979 - 2⁷ = 945570851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (925570979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 847 + ... + 43495.

It is an arithmetic number, because the mean of its divisors is an integer number (236408950).

Almost surely, 2^945570979 is an apocalyptic number.

945570979 is a deficient number, since it is larger than the sum of its proper divisors (64821).

945570979 is a wasteful number, since it uses less digits than its factorization.

945570979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64820.

The product of its (nonzero) digits is 3572100, while the sum is 55.

The square root of 945570979 is about 30750.1378696096. The cubic root of 945570979 is about 981.5174945522.

The spelling of 945570979 in words is "nine hundred forty-five million, five hundred seventy thousand, nine hundred seventy-nine".