497006000991 has 24 divisors (see below), whose sum is σ = 728666284320. Its totient is φ = 326375582400.

The previous prime is 497006000971. The next prime is 497006000993. The reversal of 497006000991 is 199000600794.

It is a de Polignac number, because none of the positive numbers 2^k-497006000991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497006000993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 357981 + ... + 1059321.

It is an arithmetic number, because the mean of its divisors is an integer number (30361095180).

Almost surely, 2^497006000991 is an apocalyptic number.

497006000991 is a deficient number, since it is larger than the sum of its proper divisors (231660283329).

497006000991 is a wasteful number, since it uses less digits than its factorization.

497006000991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702527 (or 702524 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The spelling of 497006000991 in words is "four hundred ninety-seven billion, six million, nine hundred ninety-one", and thus it is an aban number.