15783649132 has 24 divisors (see below), whose sum is σ = 29207832192. Its totient is φ = 7450972800.

The previous prime is 15783649103. The next prime is 15783649157. The reversal of 15783649132 is 23194638751.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1547203 + ... + 1557370.

It is an arithmetic number, because the mean of its divisors is an integer number (1216993008).

Almost surely, 2^15783649132 is an apocalyptic number.

It is an amenable number.

15783649132 is a deficient number, since it is larger than the sum of its proper divisors (13424183060).

15783649132 is a wasteful number, since it uses less digits than its factorization.

15783649132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3104649 (or 3104647 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 49.

The spelling of 15783649132 in words is "fifteen billion, seven hundred eighty-three million, six hundred forty-nine thousand, one hundred thirty-two".