618354994 has 8 divisors (see below), whose sum is σ = 959516460. Its totient is φ = 298516176.

The previous prime is 618354967. The next prime is 618355013. The reversal of 618354994 is 499453816.

It is a happy number.

618354994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 606883225 + 11471769 = 24635^2 + 3387^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5330589 + ... + 5330704.

Almost surely, 2^618354994 is an apocalyptic number.

618354994 is a deficient number, since it is larger than the sum of its proper divisors (341161466).

618354994 is a wasteful number, since it uses less digits than its factorization.

618354994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10661324.

The product of its digits is 933120, while the sum is 49.

The square root of 618354994 is about 24866.7447407175. The cubic root of 618354994 is about 851.9470907287.

The spelling of 618354994 in words is "six hundred eighteen million, three hundred fifty-four thousand, nine hundred ninety-four".