3975894271 has 4 divisors (see below), whose sum is σ = 4072867344. Its totient is φ = 3878921200.

The previous prime is 3975894257. The next prime is 3975894283. The reversal of 3975894271 is 1724985793.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3975894271 - 2¹⁵ = 3975861503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3975898271) 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 3 ways as a sum of consecutive naturals, for example, 48486475 + ... + 48486556.

It is an arithmetic number, because the mean of its divisors is an integer number (1018216836).

Almost surely, 2^3975894271 is an apocalyptic number.

3975894271 is a deficient number, since it is larger than the sum of its proper divisors (96973073).

3975894271 is an equidigital number, since it uses as much as digits as its factorization.

3975894271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96973072.

The product of its digits is 3810240, while the sum is 55.

The square root of 3975894271 is about 63054.6926961031. The cubic root of 3975894271 is about 1584.2058364654.

The spelling of 3975894271 in words is "three billion, nine hundred seventy-five million, eight hundred ninety-four thousand, two hundred seventy-one".