2626870009 has 9 divisors (see below), whose sum is σ = 2657196997. Its totient is φ = 2596887004.

The previous prime is 2626870007. The next prime is 2626870013. The reversal of 2626870009 is 9000786262.

The square root of 2626870009 is 51253.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 2626870009 - 2¹ = 2626870007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2626870007) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5483832 + ... + 5484310.

Almost surely, 2^2626870009 is an apocalyptic number.

2626870009 is the 51253-rd square number.

2626870009 is the 25627-th centered octagonal number.

It is an amenable number.

2626870009 is a deficient number, since it is larger than the sum of its proper divisors (30326988).

2626870009 is an frugal number, since it uses more digits than its factorization.

2626870009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1172 (or 586 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The cubic root of 2626870009 is about 1379.7895795182.

The spelling of 2626870009 in words is "two billion, six hundred twenty-six million, eight hundred seventy thousand, nine".