1969125764 has 6 divisors (see below), whose sum is σ = 3445970094. Its totient is φ = 984562880.

The previous prime is 1969125761. The next prime is 1969125773. The reversal of 1969125764 is 4675219691.

It can be written as a sum of positive squares in only one way, i.e., 1919140864 + 49984900 = 43808^2 + 7070^2 .

It is not an unprimeable number, because it can be changed into a prime (1969125761) 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 as a sum of consecutive naturals, namely, 246140717 + ... + 246140724.

It is an arithmetic number, because the mean of its divisors is an integer number (574328349).

Almost surely, 2^1969125764 is an apocalyptic number.

It is an amenable number.

1969125764 is a deficient number, since it is larger than the sum of its proper divisors (1476844330).

1969125764 is a wasteful number, since it uses less digits than its factorization.

1969125764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492281445 (or 492281443 counting only the distinct ones).

The product of its digits is 816480, while the sum is 50.

The square root of 1969125764 is about 44374.8325517967. The cubic root of 1969125764 is about 1253.4042169495.

The spelling of 1969125764 in words is "one billion, nine hundred sixty-nine million, one hundred twenty-five thousand, seven hundred sixty-four".