3845675081 has 4 divisors (see below), whose sum is σ = 3848592000. Its totient is φ = 3842758164.

The previous prime is 3845675063. The next prime is 3845675101. The reversal of 3845675081 is 1805765483.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3845675081 - 2²² = 3841480777 is a prime.

It is a super-2 number, since 2×3845675081² = 29578433657248713122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3845675011) 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, 1456481 + ... + 1459118.

It is an arithmetic number, because the mean of its divisors is an integer number (962148000).

Almost surely, 2^3845675081 is an apocalyptic number.

It is an amenable number.

3845675081 is a deficient number, since it is larger than the sum of its proper divisors (2916919).

3845675081 is a wasteful number, since it uses less digits than its factorization.

3845675081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2916918.

The product of its (nonzero) digits is 806400, while the sum is 47.

The square root of 3845675081 is about 62013.5072464056. The cubic root of 3845675081 is about 1566.7181069926.

The spelling of 3845675081 in words is "three billion, eight hundred forty-five million, six hundred seventy-five thousand, eighty-one".