2009710399965 has 16 divisors (see below), whose sum is σ = 3270037262400. Its totient is φ = 1053678672512.

The previous prime is 2009710399903. The next prime is 2009710399987. The reversal of 2009710399965 is 5699930179002.

It is a cyclic number.

It is not a de Polignac number, because 2009710399965 - 2¹⁴ = 2009710383581 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2009710399899 and 2009710399908.

It is a congruent 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, 1135428720 + ... + 1135430489.

It is an arithmetic number, because the mean of its divisors is an integer number (204377328900).

Almost surely, 2^{2009710399965} is an apocalyptic number.

It is an amenable number.

2009710399965 is a deficient number, since it is larger than the sum of its proper divisors (1260326862435).

2009710399965 is a wasteful number, since it uses less digits than its factorization.

2009710399965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2270859276.

The product of its (nonzero) digits is 8266860, while the sum is 60.

The spelling of 2009710399965 in words is "two trillion, nine billion, seven hundred ten million, three hundred ninety-nine thousand, nine hundred sixty-five".