491023372467 has 54 divisors (see below), whose sum is σ = 701009759268. Its totient is φ = 305677879056.

The previous prime is 491023372457. The next prime is 491023372519. The reversal of 491023372467 is 764273320194.

It is not a de Polignac number, because 491023372467 - 2⁴ = 491023372451 is a prime.

It is a super-3 number, since 3×491023372467³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (491023372457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 2467454034 + ... + 2467454232.

Almost surely, 2^491023372467 is an apocalyptic number.

491023372467 is a deficient number, since it is larger than the sum of its proper divisors (209986386801).

491023372467 is an equidigital number, since it uses as much as digits as its factorization.

491023372467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653 (or 328 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 48.

Multiplying 491023372467 by its sum of digits (48), we get a square (23569121878416 = 4854804²).

The spelling of 491023372467 in words is "four hundred ninety-one billion, twenty-three million, three hundred seventy-two thousand, four hundred sixty-seven".