1944929564 has 6 divisors (see below), whose sum is σ = 3403626744. Its totient is φ = 972464780.

The previous prime is 1944929537. The next prime is 1944929579. The reversal of 1944929564 is 4659294491.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 243116192 + ... + 243116199.

It is an arithmetic number, because the mean of its divisors is an integer number (567271124).

Almost surely, 2^1944929564 is an apocalyptic number.

It is an amenable number.

1944929564 is a deficient number, since it is larger than the sum of its proper divisors (1458697180).

1944929564 is a wasteful number, since it uses less digits than its factorization.

1944929564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486232395 (or 486232393 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 53.

The square root of 1944929564 is about 44101.3555800726. The cubic root of 1944929564 is about 1248.2491891941.

The spelling of 1944929564 in words is "one billion, nine hundred forty-four million, nine hundred twenty-nine thousand, five hundred sixty-four".