3901518065 has 8 divisors (see below), whose sum is σ = 4713244200. Its totient is φ = 3100266112.

The previous prime is 3901518059. The next prime is 3901518067. The reversal of 3901518065 is 5608151093.

3901518065 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 258309184 + 3643208881 = 16072^2 + 60359^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3901518065 - 2⁶ = 3901518001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3901518067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2617724 + ... + 2619213.

It is an arithmetic number, because the mean of its divisors is an integer number (589155525).

Almost surely, 2^3901518065 is an apocalyptic number.

It is an amenable number.

3901518065 is a deficient number, since it is larger than the sum of its proper divisors (811726135).

3901518065 is a wasteful number, since it uses less digits than its factorization.

3901518065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5237091.

The product of its (nonzero) digits is 32400, while the sum is 38.

The square root of 3901518065 is about 62462.1330487520. The cubic root of 3901518065 is about 1574.2651231967.

The spelling of 3901518065 in words is "three billion, nine hundred one million, five hundred eighteen thousand, sixty-five".