3845789971 has 4 divisors (see below), whose sum is σ = 3969847744. Its totient is φ = 3721732200.

The previous prime is 3845789951. The next prime is 3845790083. The reversal of 3845789971 is 1799875483.

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 3845789971 - 2⁵ = 3845789939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3845789951) 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, 62028840 + ... + 62028901.

It is an arithmetic number, because the mean of its divisors is an integer number (992461936).

Almost surely, 2^3845789971 is an apocalyptic number.

3845789971 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

3845789971 is a deficient number, since it is larger than the sum of its proper divisors (124057773).

3845789971 is a wasteful number, since it uses less digits than its factorization.

3845789971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124057772.

The product of its digits is 15240960, while the sum is 61.

The square root of 3845789971 is about 62014.4335699360. The cubic root of 3845789971 is about 1566.7337088005.

The spelling of 3845789971 in words is "three billion, eight hundred forty-five million, seven hundred eighty-nine thousand, nine hundred seventy-one".