1968756902 has 16 divisors (see below), whose sum is σ = 3466229280. Its totient is φ = 820948608.

The previous prime is 1968756871. The next prime is 1968756913. The reversal of 1968756902 is 2096578691.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

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, 1899827 + ... + 1900862.

It is an arithmetic number, because the mean of its divisors is an integer number (216639330).

Almost surely, 2^1968756902 is an apocalyptic number.

1968756902 is a deficient number, since it is larger than the sum of its proper divisors (1497472378).

1968756902 is a wasteful number, since it uses less digits than its factorization.

1968756902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3800735.

The product of its (nonzero) digits is 1632960, while the sum is 53.

The square root of 1968756902 is about 44370.6761499078. The cubic root of 1968756902 is about 1253.3259483651.

The spelling of 1968756902 in words is "one billion, nine hundred sixty-eight million, seven hundred fifty-six thousand, nine hundred two".