491030095 has 4 divisors (see below), whose sum is σ = 589236120. Its totient is φ = 392824072.

The previous prime is 491030081. The next prime is 491030101. The reversal of 491030095 is 590030194.

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-491030095 is a prime.

It is a super-2 number, since 2×491030095² = 482221108391418050, which contains 22 as substring.

It is a congruent number.

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, 49103005 + ... + 49103014.

It is an arithmetic number, because the mean of its divisors is an integer number (147309030).

Almost surely, 2^491030095 is an apocalyptic number.

491030095 is a deficient number, since it is larger than the sum of its proper divisors (98206025).

491030095 is an equidigital number, since it uses as much as digits as its factorization.

491030095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98206024.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 491030095 is about 22159.1988799234. The cubic root of 491030095 is about 788.9255783556.

Subtracting 491030095 from its reverse (590030194), we obtain a palindrome (99000099).

The spelling of 491030095 in words is "four hundred ninety-one million, thirty thousand, ninety-five".