491212359 has 12 divisors (see below), whose sum is σ = 774031752. Its totient is φ = 297704400.

The previous prime is 491212327. The next prime is 491212361. The reversal of 491212359 is 953212194.

491212359 is a `hidden beast` number, since 4 + 91 + 212 + 359 = 666.

It is not a de Polignac number, because 491212359 - 2⁵ = 491212327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (491217359) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2480772 + ... + 2480969.

It is an arithmetic number, because the mean of its divisors is an integer number (64502646).

Almost surely, 2^491212359 is an apocalyptic number.

491212359 is a deficient number, since it is larger than the sum of its proper divisors (282819393).

491212359 is a wasteful number, since it uses less digits than its factorization.

491212359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4961758 (or 4961755 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 491212359 is about 22163.3111019089. The cubic root of 491212359 is about 789.0231792600.

It can be divided in two parts, 4912 and 12359, that added together give a palindrome (17271).

The spelling of 491212359 in words is "four hundred ninety-one million, two hundred twelve thousand, three hundred fifty-nine".