2318481505 has 16 divisors (see below), whose sum is σ = 2947024080. Its totient is φ = 1744975872.

The previous prime is 2318481491. The next prime is 2318481509. The reversal of 2318481505 is 5051848132.

It can be written as a sum of positive squares in 8 ways, for example, as 255232576 + 2063248929 = 15976^2 + 45423^2 .

It is a cyclic number.

It is not a de Polignac number, because 2318481505 - 2⁹ = 2318480993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2318481509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 316747 + ... + 323983.

It is an arithmetic number, because the mean of its divisors is an integer number (184189005).

Almost surely, 2^2318481505 is an apocalyptic number.

It is an amenable number.

2318481505 is a deficient number, since it is larger than the sum of its proper divisors (628542575).

2318481505 is a wasteful number, since it uses less digits than its factorization.

2318481505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11028.

The product of its (nonzero) digits is 38400, while the sum is 37.

The square root of 2318481505 is about 48150.6127167661. The cubic root of 2318481505 is about 1323.5323024508.

The spelling of 2318481505 in words is "two billion, three hundred eighteen million, four hundred eighty-one thousand, five hundred five".