3968432461 has 12 divisors (see below), whose sum is σ = 4642103136. Its totient is φ = 3321493560.

The previous prime is 3968432431. The next prime is 3968432483. The reversal of 3968432461 is 1642348693.

It is not a de Polignac number, because 3968432461 - 2¹³ = 3968424269 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 (3968432431) 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 11 ways as a sum of consecutive naturals, for example, 1091116 + ... + 1094746.

It is an arithmetic number, because the mean of its divisors is an integer number (386841928).

Almost surely, 2^3968432461 is an apocalyptic number.

It is an amenable number.

3968432461 is a deficient number, since it is larger than the sum of its proper divisors (673670675).

3968432461 is an frugal number, since it uses more digits than its factorization.

3968432461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7312 (or 3681 counting only the distinct ones).

The product of its digits is 746496, while the sum is 46.

The square root of 3968432461 is about 62995.4955611907. The cubic root of 3968432461 is about 1583.2141563582.

The spelling of 3968432461 in words is "three billion, nine hundred sixty-eight million, four hundred thirty-two thousand, four hundred sixty-one".