18147763463 has 8 divisors (see below), whose sum is σ = 18781897680. Its totient is φ = 17514185920.

The previous prime is 18147763451. The next prime is 18147763481. The reversal of 18147763463 is 36436774181.

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 18147763463 - 2⁶ = 18147763399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18147763363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72278 + ... + 203763.

It is an arithmetic number, because the mean of its divisors is an integer number (2347737210).

Almost surely, 2^18147763463 is an apocalyptic number.

18147763463 is a deficient number, since it is larger than the sum of its proper divisors (634134217).

18147763463 is a wasteful number, since it uses less digits than its factorization.

18147763463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278337.

The product of its digits is 2032128, while the sum is 50.

The spelling of 18147763463 in words is "eighteen billion, one hundred forty-seven million, seven hundred sixty-three thousand, four hundred sixty-three".