3963955742 has 4 divisors (see below), whose sum is σ = 5945933616. Its totient is φ = 1981977870.

The previous prime is 3963955733. The next prime is 3963955757. The reversal of 3963955742 is 2475593693.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2475593693 = 241 ⋅10272173.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 990988934 + ... + 990988937.

It is an arithmetic number, because the mean of its divisors is an integer number (1486483404).

Almost surely, 2^3963955742 is an apocalyptic number.

3963955742 is a deficient number, since it is larger than the sum of its proper divisors (1981977874).

3963955742 is a wasteful number, since it uses less digits than its factorization.

3963955742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1981977873.

The product of its digits is 6123600, while the sum is 53.

The square root of 3963955742 is about 62959.9534783818. The cubic root of 3963955742 is about 1582.6186003236.

The spelling of 3963955742 in words is "three billion, nine hundred sixty-three million, nine hundred fifty-five thousand, seven hundred forty-two".