3875471643 has 16 divisors (see below), whose sum is σ = 5218278912. Its totient is φ = 2558244000.

The previous prime is 3875471573. The next prime is 3875471651. The reversal of 3875471643 is 3461745783.

It is not a de Polignac number, because 3875471643 - 2²⁰ = 3874423067 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3875471592 and 3875471601.

It is not an unprimeable number, because it can be changed into a prime (3875471683) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170478 + ... + 191868.

It is an arithmetic number, because the mean of its divisors is an integer number (326142432).

Almost surely, 2^3875471643 is an apocalyptic number.

3875471643 is a deficient number, since it is larger than the sum of its proper divisors (1342807269).

3875471643 is a wasteful number, since it uses less digits than its factorization.

3875471643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21986.

The product of its digits is 1693440, while the sum is 48.

The square root of 3875471643 is about 62253.2862024167. The cubic root of 3875471643 is about 1570.7540487801.

The spelling of 3875471643 in words is "three billion, eight hundred seventy-five million, four hundred seventy-one thousand, six hundred forty-three".