3851948971 has 4 divisors (see below), whose sum is σ = 4148252752. Its totient is φ = 3555645192.

The previous prime is 3851948959. The next prime is 3851948977. The reversal of 3851948971 is 1798491583.

It is a happy number.

3851948971 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.

It is a cyclic number.

It is not a de Polignac number, because 3851948971 - 2⁵ = 3851948939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3851948977) 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, 148151871 + ... + 148151896.

It is an arithmetic number, because the mean of its divisors is an integer number (1037063188).

Almost surely, 2^3851948971 is an apocalyptic number.

3851948971 is a deficient number, since it is larger than the sum of its proper divisors (296303781).

3851948971 is a wasteful number, since it uses less digits than its factorization.

3851948971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296303780.

The product of its digits is 2177280, while the sum is 55.

The square root of 3851948971 is about 62064.0714987343. The cubic root of 3851948971 is about 1567.5696329634.

The spelling of 3851948971 in words is "three billion, eight hundred fifty-one million, nine hundred forty-eight thousand, nine hundred seventy-one".