494970158 has 4 divisors (see below), whose sum is σ = 742455240. Its totient is φ = 247485078.

The previous prime is 494970137. The next prime is 494970193. The reversal of 494970158 is 851079494.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 851079494 = 2 ⋅425539747.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123742538 + ... + 123742541.

It is an arithmetic number, because the mean of its divisors is an integer number (185613810).

Almost surely, 2^494970158 is an apocalyptic number.

494970158 is a deficient number, since it is larger than the sum of its proper divisors (247485082).

494970158 is a wasteful number, since it uses less digits than its factorization.

494970158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247485081.

The product of its (nonzero) digits is 362880, while the sum is 47.

The square root of 494970158 is about 22247.9248021023. The cubic root of 494970158 is about 791.0300924652.

The spelling of 494970158 in words is "four hundred ninety-four million, nine hundred seventy thousand, one hundred fifty-eight".