4101945081 has 16 divisors (see below), whose sum is σ = 6033632640. Its totient is φ = 2462705280.

The previous prime is 4101945077. The next prime is 4101945083. The reversal of 4101945081 is 1805491014.

It is not a de Polignac number, because 4101945081 - 2² = 4101945077 is a prime.

It is a super-2 number, since 2×4101945081² = 33651906895080193122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4101945083) 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, 1281061 + ... + 1284258.

It is an arithmetic number, because the mean of its divisors is an integer number (377102040).

Almost surely, 2^4101945081 is an apocalyptic number.

4101945081 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

4101945081 is a deficient number, since it is larger than the sum of its proper divisors (1931687559).

4101945081 is a wasteful number, since it uses less digits than its factorization.

4101945081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2565376.

The product of its (nonzero) digits is 5760, while the sum is 33.

The square root of 4101945081 is about 64046.4291042053. The cubic root of 4101945081 is about 1600.7737248719.

It can be divided in two parts, 410 and 1945081, that added together give a palindrome (1945491).

The spelling of 4101945081 in words is "four billion, one hundred one million, nine hundred forty-five thousand, eighty-one".