945872938642 has 64 divisors (see below), whose sum is σ = 1533028633344. Its totient is φ = 436105912320.

The previous prime is 945872938609. The next prime is 945872938651. The reversal of 945872938642 is 246839278549.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 454527042 + ... + 454529122.

It is an arithmetic number, because the mean of its divisors is an integer number (23953572396).

Almost surely, 2^945872938642 is an apocalyptic number.

945872938642 is a deficient number, since it is larger than the sum of its proper divisors (587155694702).

945872938642 is a wasteful number, since it uses less digits than its factorization.

945872938642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3523.

The product of its digits is 209018880, while the sum is 67.

The spelling of 945872938642 in words is "nine hundred forty-five billion, eight hundred seventy-two million, nine hundred thirty-eight thousand, six hundred forty-two".