1945316572 has 6 divisors (see below), whose sum is σ = 3404304008. Its totient is φ = 972658284.

The previous prime is 1945316561. The next prime is 1945316587. The reversal of 1945316572 is 2756135491.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243164568 + ... + 243164575.

Almost surely, 2^1945316572 is an apocalyptic number.

It is an amenable number.

1945316572 is a deficient number, since it is larger than the sum of its proper divisors (1458987436).

1945316572 is a wasteful number, since it uses less digits than its factorization.

1945316572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486329147 (or 486329145 counting only the distinct ones).

The product of its digits is 226800, while the sum is 43.

The square root of 1945316572 is about 44105.7430727564. The cubic root of 1945316572 is about 1248.3319771766.

The spelling of 1945316572 in words is "one billion, nine hundred forty-five million, three hundred sixteen thousand, five hundred seventy-two".