1968082399 has 8 divisors (see below), whose sum is σ = 2033539200. Its totient is φ = 1902748800.

The previous prime is 1968082387. The next prime is 1968082433. The reversal of 1968082399 is 9932808691.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1968082399 - 2⁷ = 1968082271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1968082349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2259 + ... + 62779.

It is an arithmetic number, because the mean of its divisors is an integer number (254192400).

Almost surely, 2^1968082399 is an apocalyptic number.

1968082399 is a deficient number, since it is larger than the sum of its proper divisors (65456801).

1968082399 is a wasteful number, since it uses less digits than its factorization.

1968082399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61601.

The product of its (nonzero) digits is 1679616, while the sum is 55.

The square root of 1968082399 is about 44363.0747243696. The cubic root of 1968082399 is about 1253.1828007319.

The spelling of 1968082399 in words is "one billion, nine hundred sixty-eight million, eighty-two thousand, three hundred ninety-nine".