1974842564 has 12 divisors (see below), whose sum is σ = 3504650688. Its totient is φ = 973513800.

The previous prime is 1974842563. The next prime is 1974842567. The reversal of 1974842564 is 4652484791.

It is not an unprimeable number, because it can be changed into a prime (1974842563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3476552 + ... + 3477119.

It is an arithmetic number, because the mean of its divisors is an integer number (292054224).

Almost surely, 2^1974842564 is an apocalyptic number.

It is an amenable number.

1974842564 is a deficient number, since it is larger than the sum of its proper divisors (1529808124).

1974842564 is a wasteful number, since it uses less digits than its factorization.

1974842564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6953746 (or 6953744 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 50.

The square root of 1974842564 is about 44439.2007578894. The cubic root of 1974842564 is about 1254.6160132745.

The spelling of 1974842564 in words is "one billion, nine hundred seventy-four million, eight hundred forty-two thousand, five hundred sixty-four".