2636330545 has 16 divisors (see below), whose sum is σ = 3243029328. Its totient is φ = 2056181760.

The previous prime is 2636330531. The next prime is 2636330581. The reversal of 2636330545 is 5450336362.

It can be written as a sum of positive squares in 8 ways, for example, as 184199184 + 2452131361 = 13572^2 + 49519^2 .

It is not a de Polignac number, because 2636330545 - 2¹⁵ = 2636297777 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 360667 + ... + 367903.

It is an arithmetic number, because the mean of its divisors is an integer number (202689333).

Almost surely, 2^2636330545 is an apocalyptic number.

It is an amenable number.

2636330545 is a deficient number, since it is larger than the sum of its proper divisors (606698783).

2636330545 is a wasteful number, since it uses less digits than its factorization.

2636330545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9060.

The product of its (nonzero) digits is 194400, while the sum is 37.

The square root of 2636330545 is about 51345.2095623341. The cubic root of 2636330545 is about 1381.4440085109. Note that the first 3 decimals are identical.

The spelling of 2636330545 in words is "two billion, six hundred thirty-six million, three hundred thirty thousand, five hundred forty-five".