18730511452 has 6 divisors (see below), whose sum is σ = 32778395048. Its totient is φ = 9365255724.

The previous prime is 18730511441. The next prime is 18730511453. The reversal of 18730511452 is 25411503781.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18730511453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2341313928 + ... + 2341313935.

Almost surely, 2^18730511452 is an apocalyptic number.

It is an amenable number.

18730511452 is a deficient number, since it is larger than the sum of its proper divisors (14047883596).

18730511452 is a wasteful number, since it uses less digits than its factorization.

18730511452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4682627867 (or 4682627865 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 37.

The spelling of 18730511452 in words is "eighteen billion, seven hundred thirty million, five hundred eleven thousand, four hundred fifty-two".