4591413641 has 4 divisors (see below), whose sum is σ = 4636873284. Its totient is φ = 4545954000.

The previous prime is 4591413611. The next prime is 4591413643. The reversal of 4591413641 is 1463141954.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2548735225 + 2042678416 = 50485^2 + 45196^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4591413641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4591413595 and 4591413604.

It is not an unprimeable number, because it can be changed into a prime (4591413643) 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, 22729670 + ... + 22729871.

It is an arithmetic number, because the mean of its divisors is an integer number (1159218321).

Almost surely, 2^4591413641 is an apocalyptic number.

It is an amenable number.

4591413641 is a deficient number, since it is larger than the sum of its proper divisors (45459643).

4591413641 is a wasteful number, since it uses less digits than its factorization.

4591413641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45459642.

The product of its digits is 51840, while the sum is 38.

The square root of 4591413641 is about 67759.9707865935. The cubic root of 4591413641 is about 1662.0680714540.

The spelling of 4591413641 in words is "four billion, five hundred ninety-one million, four hundred thirteen thousand, six hundred forty-one".