18246413390 has 8 divisors (see below), whose sum is σ = 32843544120. Its totient is φ = 7298565352.

The previous prime is 18246413267. The next prime is 18246413407. The reversal of 18246413390 is 9331464281.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 912320660 + ... + 912320679.

It is an arithmetic number, because the mean of its divisors is an integer number (4105443015).

Almost surely, 2^18246413390 is an apocalyptic number.

18246413390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18246413390 is a deficient number, since it is larger than the sum of its proper divisors (14597130730).

18246413390 is a wasteful number, since it uses less digits than its factorization.

18246413390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1824641346.

The product of its (nonzero) digits is 124416, while the sum is 41.

The spelling of 18246413390 in words is "eighteen billion, two hundred forty-six million, four hundred thirteen thousand, three hundred ninety".