491443953334 has 32 divisors (see below), whose sum is σ = 747336780000. Its totient is φ = 242358898944.

The previous prime is 491443953283. The next prime is 491443953353. The reversal of 491443953334 is 433359344194.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39093402 + ... + 39105970.

It is an arithmetic number, because the mean of its divisors is an integer number (23354274375).

Almost surely, 2^491443953334 is an apocalyptic number.

491443953334 is a deficient number, since it is larger than the sum of its proper divisors (255892826666).

491443953334 is a wasteful number, since it uses less digits than its factorization.

491443953334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13632.

The product of its digits is 8398080, while the sum is 52.

The spelling of 491443953334 in words is "four hundred ninety-one billion, four hundred forty-three million, nine hundred fifty-three thousand, three hundred thirty-four".