491348329243 has 8 divisors (see below), whose sum is σ = 496813264560. Its totient is φ = 485895160800.

The previous prime is 491348329189. The next prime is 491348329261. The reversal of 491348329243 is 342923843194.

It is a happy number.

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 491348329243 - 2¹⁷ = 491348198171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (491348329643) 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, 2857728 + ... + 3024781.

It is an arithmetic number, because the mean of its divisors is an integer number (62101658070).

Almost surely, 2^491348329243 is an apocalyptic number.

491348329243 is a deficient number, since it is larger than the sum of its proper divisors (5464935317).

491348329243 is a wasteful number, since it uses less digits than its factorization.

491348329243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5883437.

The product of its digits is 4478976, while the sum is 52.

The spelling of 491348329243 in words is "four hundred ninety-one billion, three hundred forty-eight million, three hundred twenty-nine thousand, two hundred forty-three".