494947494 has 12 divisors (see below), whose sum is σ = 1072386276. Its totient is φ = 164982492.

The previous prime is 494947493. The next prime is 494947543. The reversal of 494947494 is 494749494.

494947494 is a `hidden beast` number, since 49 + 49 + 474 + 94 = 666.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 494947494.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494947493) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13748524 + ... + 13748559.

It is an arithmetic number, because the mean of its divisors is an integer number (89365523).

Almost surely, 2^494947494 is an apocalyptic number.

494947494 is an abundant number, since it is smaller than the sum of its proper divisors (577438782).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

494947494 is a wasteful number, since it uses less digits than its factorization.

494947494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27497091 (or 27497088 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 54.

The square root of 494947494 is about 22247.4154453950. The cubic root of 494947494 is about 791.0180188890.

The spelling of 494947494 in words is "four hundred ninety-four million, nine hundred forty-seven thousand, four hundred ninety-four".