4591306391291 has 4 divisors (see below), whose sum is σ = 4591461098952. Its totient is φ = 4591151683632.

The previous prime is 4591306391279. The next prime is 4591306391297. The reversal of 4591306391291 is 1921936031954.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4591306391291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4591306391297) 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, 77309306 + ... + 77368671.

It is an arithmetic number, because the mean of its divisors is an integer number (1147865274738).

Almost surely, 2^{4591306391291} is an apocalyptic number.

4591306391291 is a deficient number, since it is larger than the sum of its proper divisors (154707661).

4591306391291 is a wasteful number, since it uses less digits than its factorization.

4591306391291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154707660.

The product of its (nonzero) digits is 1574640, while the sum is 53.

The spelling of 4591306391291 in words is "four trillion, five hundred ninety-one billion, three hundred six million, three hundred ninety-one thousand, two hundred ninety-one".