18530967245 has 24 divisors (see below), whose sum is σ = 25913374200. Its totient is φ = 12684521472.

The previous prime is 18530967227. The next prime is 18530967271. The reversal of 18530967245 is 54276903581.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1291539844 + 17239427401 = 35938^2 + 131299^2 .

It is not a de Polignac number, because 18530967245 - 2¹⁰ = 18530966221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18530967193 and 18530967202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72941 + ... + 205869.

It is an arithmetic number, because the mean of its divisors is an integer number (1079723925).

It is a 1-persistent number, because it is pandigital, but 2⋅18530967245 = 37061934490 is not.

Almost surely, 2^18530967245 is an apocalyptic number.

It is an amenable number.

18530967245 is a deficient number, since it is larger than the sum of its proper divisors (7382406955).

18530967245 is a wasteful number, since it uses less digits than its factorization.

18530967245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133517 (or 133510 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 50.

The spelling of 18530967245 in words is "eighteen billion, five hundred thirty million, nine hundred sixty-seven thousand, two hundred forty-five".