494797811 has 4 divisors (see below), whose sum is σ = 505325472. Its totient is φ = 484270152.

The previous prime is 494797759. The next prime is 494797813. The reversal of 494797811 is 118797494.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-494797811 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 494797811.

It is not an unprimeable number, because it can be changed into a prime (494797813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5263760 + ... + 5263853.

It is an arithmetic number, because the mean of its divisors is an integer number (126331368).

Almost surely, 2^494797811 is an apocalyptic number.

494797811 is a deficient number, since it is larger than the sum of its proper divisors (10527661).

494797811 is a wasteful number, since it uses less digits than its factorization.

494797811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10527660.

The product of its digits is 508032, while the sum is 50.

The square root of 494797811 is about 22244.0511373266. The cubic root of 494797811 is about 790.9382704380.

The spelling of 494797811 in words is "four hundred ninety-four million, seven hundred ninety-seven thousand, eight hundred eleven".