3961954423 has 24 divisors (see below), whose sum is σ = 4795308672. Its totient is φ = 3206118672.

The previous prime is 3961954417. The next prime is 3961954433. The reversal of 3961954423 is 3244591693.

3961954423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3961954423 - 2²⁵ = 3928399991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3961954433) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 773236 + ... + 778342.

It is an arithmetic number, because the mean of its divisors is an integer number (199804528).

Almost surely, 2^3961954423 is an apocalyptic number.

3961954423 is a deficient number, since it is larger than the sum of its proper divisors (833354249).

3961954423 is a wasteful number, since it uses less digits than its factorization.

3961954423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5459 (or 5440 counting only the distinct ones).

The product of its digits is 699840, while the sum is 46.

The square root of 3961954423 is about 62944.0578847599. The cubic root of 3961954423 is about 1582.3522117235.

The spelling of 3961954423 in words is "three billion, nine hundred sixty-one million, nine hundred fifty-four thousand, four hundred twenty-three".