1968637324 has 12 divisors (see below), whose sum is σ = 3453111648. Its totient is φ = 982034000.

The previous prime is 1968637289. The next prime is 1968637399. The reversal of 1968637324 is 4237368691.

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, 569227 + ... + 572674.

It is an arithmetic number, because the mean of its divisors is an integer number (287759304).

Almost surely, 2^1968637324 is an apocalyptic number.

It is an amenable number.

1968637324 is a deficient number, since it is larger than the sum of its proper divisors (1484474324).

1968637324 is a wasteful number, since it uses less digits than its factorization.

1968637324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142336 (or 1142334 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 49.

The square root of 1968637324 is about 44369.3286404020. The cubic root of 1968637324 is about 1253.3005730899.

The spelling of 1968637324 in words is "one billion, nine hundred sixty-eight million, six hundred thirty-seven thousand, three hundred twenty-four".