18428346751 has 8 divisors (see below), whose sum is σ = 18451367424. Its totient is φ = 18405343320.

The previous prime is 18428346743. The next prime is 18428346803. The reversal of 18428346751 is 15764382481.

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

It is a cyclic number.

It is not a de Polignac number, because 18428346751 - 2³ = 18428346743 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18428346695 and 18428346704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18428346731) 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 in 7 ways as a sum of consecutive naturals, for example, 4463250 + ... + 4467376.

It is an arithmetic number, because the mean of its divisors is an integer number (2306420928).

Almost surely, 2^18428346751 is an apocalyptic number.

18428346751 is a deficient number, since it is larger than the sum of its proper divisors (23020673).

18428346751 is a wasteful number, since it uses less digits than its factorization.

18428346751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8621.

The product of its digits is 1290240, while the sum is 49.

The spelling of 18428346751 in words is "eighteen billion, four hundred twenty-eight million, three hundred forty-six thousand, seven hundred fifty-one".