18358310354 has 4 divisors (see below), whose sum is σ = 27537465534. Its totient is φ = 9179155176.

The previous prime is 18358310351. The next prime is 18358310371. The reversal of 18358310354 is 45301385381.

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., 10338212329 + 8020098025 = 101677^2 + 89555^2 .

It is not an unprimeable number, because it can be changed into a prime (18358310351) by changing a digit.

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 as a sum of consecutive naturals, namely, 4589577587 + ... + 4589577590.

Almost surely, 2^18358310354 is an apocalyptic number.

18358310354 is a deficient number, since it is larger than the sum of its proper divisors (9179155180).

18358310354 is an equidigital number, since it uses as much as digits as its factorization.

18358310354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9179155179.

The product of its (nonzero) digits is 172800, while the sum is 41.

The spelling of 18358310354 in words is "eighteen billion, three hundred fifty-eight million, three hundred ten thousand, three hundred fifty-four".