3901216271 has 4 divisors (see below), whose sum is σ = 4035741000. Its totient is φ = 3766691544.

The previous prime is 3901216243. The next prime is 3901216273. The reversal of 3901216271 is 1726121093.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3901216271 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 (3901216273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67262321 + ... + 67262378.

It is an arithmetic number, because the mean of its divisors is an integer number (1008935250).

Almost surely, 2^3901216271 is an apocalyptic number.

3901216271 is a deficient number, since it is larger than the sum of its proper divisors (134524729).

3901216271 is a wasteful number, since it uses less digits than its factorization.

3901216271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134524728.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 3901216271 is about 62459.7171863594. The cubic root of 3901216271 is about 1574.2245307904.

The spelling of 3901216271 in words is "three billion, nine hundred one million, two hundred sixteen thousand, two hundred seventy-one".