491376395 has 4 divisors (see below), whose sum is σ = 589651680. Its totient is φ = 393101112.

The previous prime is 491376383. The next prime is 491376401. The reversal of 491376395 is 593673194.

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

It is a cyclic number.

It is not a de Polignac number, because 491376395 - 2⁶ = 491376331 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49137635 + ... + 49137644.

It is an arithmetic number, because the mean of its divisors is an integer number (147412920).

Almost surely, 2^491376395 is an apocalyptic number.

491376395 is a deficient number, since it is larger than the sum of its proper divisors (98275285).

491376395 is an equidigital number, since it uses as much as digits as its factorization.

491376395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98275284.

The product of its digits is 612360, while the sum is 47.

The square root of 491376395 is about 22167.0114133593. The cubic root of 491376395 is about 789.1109985771.

The spelling of 491376395 in words is "four hundred ninety-one million, three hundred seventy-six thousand, three hundred ninety-five".