494275766906 has 4 divisors (see below), whose sum is σ = 741413650362. Its totient is φ = 247137883452.

The previous prime is 494275766899. The next prime is 494275766923. The reversal of 494275766906 is 609667572494.

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., 471819245881 + 22456521025 = 686891^2 + 149855^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123568941725 + ... + 123568941728.

Almost surely, 2^494275766906 is an apocalyptic number.

494275766906 is a deficient number, since it is larger than the sum of its proper divisors (247137883456).

494275766906 is a wasteful number, since it uses less digits than its factorization.

494275766906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247137883455.

The product of its (nonzero) digits is 137168640, while the sum is 65.

The spelling of 494275766906 in words is "four hundred ninety-four billion, two hundred seventy-five million, seven hundred sixty-six thousand, nine hundred six".