2630505009 has 32 divisors (see below), whose sum is σ = 4016646144. Its totient is φ = 1515726080.

The previous prime is 2630504999. The next prime is 2630505011. The reversal of 2630505009 is 9005050362.

It is not a de Polignac number, because 2630505009 - 2¹⁵ = 2630472241 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2630505089) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 116377 + ... + 137129.

It is an arithmetic number, because the mean of its divisors is an integer number (125520192).

Almost surely, 2^2630505009 is an apocalyptic number.

It is an amenable number.

2630505009 is a deficient number, since it is larger than the sum of its proper divisors (1386141135).

2630505009 is a wasteful number, since it uses less digits than its factorization.

2630505009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20957.

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 2630505009 is about 51288.4490796904. The cubic root of 2630505009 is about 1380.4257261391.

The spelling of 2630505009 in words is "two billion, six hundred thirty million, five hundred five thousand, nine".