1968956271 has 12 divisors (see below), whose sum is σ = 2870141560. Its totient is φ = 1300594320.

The previous prime is 1968956261. The next prime is 1968956273. The reversal of 1968956271 is 1726598691.

1968956271 is a `hidden beast` number, since 1 + 9 + 6 + 8 + 9 + 5 + 627 + 1 = 666.

It is not a de Polignac number, because 1968956271 - 2²³ = 1960567663 is a prime.

It is a super-2 number, since 2×1968956271² = 7753577594220450882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1968956273) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1002565 + ... + 1004526.

Almost surely, 2^1968956271 is an apocalyptic number.

1968956271 is a deficient number, since it is larger than the sum of its proper divisors (901185289).

1968956271 is a wasteful number, since it uses less digits than its factorization.

1968956271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2007206 (or 2007203 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 54.

The square root of 1968956271 is about 44372.9227232104. The cubic root of 1968956271 is about 1253.3682535556.

The spelling of 1968956271 in words is "one billion, nine hundred sixty-eight million, nine hundred fifty-six thousand, two hundred seventy-one".