491770254794 has 16 divisors (see below), whose sum is σ = 907883547648. Its totient is φ = 194546474352.

The previous prime is 491770254751. The next prime is 491770254803. The reversal of 491770254794 is 497452077194.

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 7 ways as a sum of consecutive naturals, for example, 1351017002 + ... + 1351017365.

It is an arithmetic number, because the mean of its divisors is an integer number (56742721728).

Almost surely, 2^491770254794 is an apocalyptic number.

491770254794 is a deficient number, since it is larger than the sum of its proper divisors (416113292854).

491770254794 is a wasteful number, since it uses less digits than its factorization.

491770254794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2702034389.

The product of its (nonzero) digits is 17781120, while the sum is 59.

The spelling of 491770254794 in words is "four hundred ninety-one billion, seven hundred seventy million, two hundred fifty-four thousand, seven hundred ninety-four".