3964981429 has 4 divisors (see below), whose sum is σ = 4049342784. Its totient is φ = 3880620076.

The previous prime is 3964981393. The next prime is 3964981459. The reversal of 3964981429 is 9241894693.

3964981429 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9241894693 = 4243 ⋅2178151.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3964981429 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3964981429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3964981459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42180607 + ... + 42180700.

It is an arithmetic number, because the mean of its divisors is an integer number (1012335696).

Almost surely, 2^3964981429 is an apocalyptic number.

It is an amenable number.

3964981429 is a deficient number, since it is larger than the sum of its proper divisors (84361355).

3964981429 is an equidigital number, since it uses as much as digits as its factorization.

3964981429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84361354.

The product of its digits is 3359232, while the sum is 55.

The square root of 3964981429 is about 62968.0985023369. The cubic root of 3964981429 is about 1582.7550911963.

The spelling of 3964981429 in words is "three billion, nine hundred sixty-four million, nine hundred eighty-one thousand, four hundred twenty-nine".