491701495 has 4 divisors (see below), whose sum is σ = 590041800. Its totient is φ = 393361192.

The previous prime is 491701481. The next prime is 491701499. The reversal of 491701495 is 594107194.

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 491701495 - 2⁷ = 491701367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (491701499) 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, 49170145 + ... + 49170154.

It is an arithmetic number, because the mean of its divisors is an integer number (147510450).

Almost surely, 2^491701495 is an apocalyptic number.

491701495 is a deficient number, since it is larger than the sum of its proper divisors (98340305).

491701495 is an equidigital number, since it uses as much as digits as its factorization.

491701495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98340304.

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 491701495 is about 22174.3431695282. The cubic root of 491701495 is about 789.2849883688.

The spelling of 491701495 in words is "four hundred ninety-one million, seven hundred one thousand, four hundred ninety-five".