4504961509 has 16 divisors (see below), whose sum is σ = 4703040000. Its totient is φ = 4310458560.

The previous prime is 4504961507. The next prime is 4504961519. The reversal of 4504961509 is 9051694054.

It is a cyclic number.

It is not a de Polignac number, because 4504961509 - 2¹ = 4504961507 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 (4504961507) 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, 1055622 + ... + 1059880.

It is an arithmetic number, because the mean of its divisors is an integer number (293940000).

Almost surely, 2^4504961509 is an apocalyptic number.

It is an amenable number.

4504961509 is a deficient number, since it is larger than the sum of its proper divisors (198078491).

4504961509 is a wasteful number, since it uses less digits than its factorization.

4504961509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4668.

The product of its (nonzero) digits is 194400, while the sum is 43.

The square root of 4504961509 is about 67119.0100418652. The cubic root of 4504961509 is about 1651.5701623936.

The spelling of 4504961509 in words is "four billion, five hundred four million, nine hundred sixty-one thousand, five hundred nine".