491260062195 has 72 divisors (see below), whose sum is σ = 990676748880. Its totient is φ = 224545184640.

The previous prime is 491260062179. The next prime is 491260062199. The reversal of 491260062195 is 591260062194.

491260062195 is a `hidden beast` number, since 4 + 9 + 12 + 6 + 0 + 0 + 621 + 9 + 5 = 666.

It is not a de Polignac number, because 491260062195 - 2⁴ = 491260062179 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 491260062195.

It is not an unprimeable number, because it can be changed into a prime (491260062199) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 26316165 + ... + 26334825.

It is an arithmetic number, because the mean of its divisors is an integer number (13759399290).

Almost surely, 2^491260062195 is an apocalyptic number.

491260062195 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

491260062195 is an abundant number, since it is smaller than the sum of its proper divisors (499416686685).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

491260062195 is a wasteful number, since it uses less digits than its factorization.

491260062195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30625 (or 30615 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

Subtracting 491260062195 from its reverse (591260062194), we obtain a palindrome (99999999999).

The spelling of 491260062195 in words is "four hundred ninety-one billion, two hundred sixty million, sixty-two thousand, one hundred ninety-five".