4091513265 has 24 divisors (see below), whose sum is σ = 8105093568. Its totient is φ = 1870405920.

The previous prime is 4091513213. The next prime is 4091513273. The reversal of 4091513265 is 5623151904.

It is not a de Polignac number, because 4091513265 - 2⁸ = 4091513009 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6494151 + ... + 6494780.

It is an arithmetic number, because the mean of its divisors is an integer number (337712232).

Almost surely, 2^4091513265 is an apocalyptic number.

4091513265 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4091513265 is a deficient number, since it is larger than the sum of its proper divisors (4013580303).

4091513265 is a wasteful number, since it uses less digits than its factorization.

4091513265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12988949 (or 12988946 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 4091513265 is about 63964.9377784423. The cubic root of 4091513265 is about 1599.4155762701.

The spelling of 4091513265 in words is "four billion, ninety-one million, five hundred thirteen thousand, two hundred sixty-five".