491964606082 has 4 divisors (see below), whose sum is σ = 737946909126. Its totient is φ = 245982303040.

The previous prime is 491964606079. The next prime is 491964606139. The reversal of 491964606082 is 280606469194.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 329337106641 + 162627499441 = 573879^2 + 403271^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122991151519 + ... + 122991151522.

Almost surely, 2^491964606082 is an apocalyptic number.

491964606082 is a deficient number, since it is larger than the sum of its proper divisors (245982303044).

491964606082 is a wasteful number, since it uses less digits than its factorization.

491964606082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245982303043.

The product of its (nonzero) digits is 4478976, while the sum is 55.

The spelling of 491964606082 in words is "four hundred ninety-one billion, nine hundred sixty-four million, six hundred six thousand, eighty-two".