3964981430 has 16 divisors (see below), whose sum is σ = 7140245904. Its totient is φ = 1585263840.

The previous prime is 3964981393. The next prime is 3964981459. The reversal of 3964981430 is 341894693.

It is a happy number.

3964981430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 67961 + ... + 112020.

It is an arithmetic number, because the mean of its divisors is an integer number (446265369).

Almost surely, 2^3964981430 is an apocalyptic number.

3964981430 is a deficient number, since it is larger than the sum of its proper divisors (3175264474).

3964981430 is a wasteful number, since it uses less digits than its factorization.

3964981430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182191.

The product of its (nonzero) digits is 559872, while the sum is 47.

The square root of 3964981430 is about 62968.0985102774. The cubic root of 3964981430 is about 1582.7550913293.

The spelling of 3964981430 in words is "three billion, nine hundred sixty-four million, nine hundred eighty-one thousand, four hundred thirty".