1923149764 has 12 divisors (see below), whose sum is σ = 3365823888. Its totient is φ = 961485800.

The previous prime is 1923149747. The next prime is 1923149773. The reversal of 1923149764 is 4679413291.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60399 + ... + 86569.

It is an arithmetic number, because the mean of its divisors is an integer number (280485324).

Almost surely, 2^1923149764 is an apocalyptic number.

It is an amenable number.

1923149764 is a deficient number, since it is larger than the sum of its proper divisors (1442674124).

1923149764 is a wasteful number, since it uses less digits than its factorization.

1923149764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44546 (or 44544 counting only the distinct ones).

The product of its digits is 326592, while the sum is 46.

The square root of 1923149764 is about 43853.7314717915. The cubic root of 1923149764 is about 1243.5722872474.

The spelling of 1923149764 in words is "one billion, nine hundred twenty-three million, one hundred forty-nine thousand, seven hundred sixty-four".