1968370963 has 4 divisors (see below), whose sum is σ = 2119784128. Its totient is φ = 1816957800.

The previous prime is 1968370933. The next prime is 1968370973. The reversal of 1968370963 is 3690738691.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1968370963 - 2⁵ = 1968370931 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1968370963.

It is not an unprimeable number, because it can be changed into a prime (1968370913) 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 3 ways as a sum of consecutive naturals, for example, 75706563 + ... + 75706588.

It is an arithmetic number, because the mean of its divisors is an integer number (529946032).

Almost surely, 2^1968370963 is an apocalyptic number.

1968370963 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1968370963 is a deficient number, since it is larger than the sum of its proper divisors (151413165).

1968370963 is a wasteful number, since it uses less digits than its factorization.

1968370963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151413164.

The product of its (nonzero) digits is 1469664, while the sum is 52.

The square root of 1968370963 is about 44366.3269045343. The cubic root of 1968370963 is about 1253.2440457572.

The spelling of 1968370963 in words is "one billion, nine hundred sixty-eight million, three hundred seventy thousand, nine hundred sixty-three".