494153815 has 16 divisors (see below), whose sum is σ = 599227200. Its totient is φ = 391184640.

The previous prime is 494153813. The next prime is 494153837. The reversal of 494153815 is 518351494.

It is not a de Polignac number, because 494153815 - 2¹ = 494153813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494153813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194755 + ... + 197275.

It is an arithmetic number, because the mean of its divisors is an integer number (37451700).

Almost surely, 2^494153815 is an apocalyptic number.

494153815 is a deficient number, since it is larger than the sum of its proper divisors (105073385).

494153815 is a wasteful number, since it uses less digits than its factorization.

494153815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2922.

The product of its digits is 86400, while the sum is 40.

The square root of 494153815 is about 22229.5707335972. The cubic root of 494153815 is about 790.5949772015.

The spelling of 494153815 in words is "four hundred ninety-four million, one hundred fifty-three thousand, eight hundred fifteen".