3964546444147 has 16 divisors (see below), whose sum is σ = 4026894052608. Its totient is φ = 3902571925920.

The previous prime is 3964546444093. The next prime is 3964546444153. The reversal of 3964546444147 is 7414446454693.

It is a cyclic number.

It is not a de Polignac number, because 3964546444147 - 2¹¹ = 3964546442099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3964546444447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25201978 + ... + 25358800.

It is an arithmetic number, because the mean of its divisors is an integer number (251680878288).

Almost surely, 2^{3964546444147} is an apocalyptic number.

3964546444147 is a deficient number, since it is larger than the sum of its proper divisors (62347608461).

3964546444147 is a wasteful number, since it uses less digits than its factorization.

3964546444147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158010.

The product of its digits is 139345920, while the sum is 61.

The spelling of 3964546444147 in words is "three trillion, nine hundred sixty-four billion, five hundred forty-six million, four hundred forty-four thousand, one hundred forty-seven".