1968379039 has 8 divisors (see below), whose sum is σ = 2150618832. Its totient is φ = 1786688640.

The previous prime is 1968379037. The next prime is 1968379057. The reversal of 1968379039 is 9309738691.

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

It is not a de Polignac number, because 1968379039 - 2¹ = 1968379037 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 (1968379033) 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 in 7 ways as a sum of consecutive naturals, for example, 129834 + ... + 144199.

It is an arithmetic number, because the mean of its divisors is an integer number (268827354).

Almost surely, 2^1968379039 is an apocalyptic number.

1968379039 is a deficient number, since it is larger than the sum of its proper divisors (182239793).

1968379039 is a wasteful number, since it uses less digits than its factorization.

1968379039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274697.

The product of its (nonzero) digits is 2204496, while the sum is 55.

The square root of 1968379039 is about 44366.4179194129. The cubic root of 1968379039 is about 1253.2457597270.

The spelling of 1968379039 in words is "one billion, nine hundred sixty-eight million, three hundred seventy-nine thousand, thirty-nine".