494395758338 has 4 divisors (see below), whose sum is σ = 741593637510. Its totient is φ = 247197879168.

The previous prime is 494395758287. The next prime is 494395758347. The reversal of 494395758338 is 833857593494.

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., 400148600329 + 94247158009 = 632573^2 + 306997^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123598939583 + ... + 123598939586.

Almost surely, 2^494395758338 is an apocalyptic number.

494395758338 is a deficient number, since it is larger than the sum of its proper divisors (247197879172).

494395758338 is a wasteful number, since it uses less digits than its factorization.

494395758338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247197879171.

The product of its digits is 391910400, while the sum is 68.

The spelling of 494395758338 in words is "four hundred ninety-four billion, three hundred ninety-five million, seven hundred fifty-eight thousand, three hundred thirty-eight".