2209190766065 has 8 divisors (see below), whose sum is σ = 2651241025728. Its totient is φ = 1767211208560.

The previous prime is 2209190766061. The next prime is 2209190766179. The reversal of 2209190766065 is 5606670919022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2209190766065 - 2² = 2209190766061 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2209190765998 and 2209190766016.

It is not an unprimeable number, because it can be changed into a prime (2209190766061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17606771 + ... + 17731800.

It is an arithmetic number, because the mean of its divisors is an integer number (331405128216).

Almost surely, 2^{2209190766065} is an apocalyptic number.

It is an amenable number.

2209190766065 is a deficient number, since it is larger than the sum of its proper divisors (442050259663).

2209190766065 is a wasteful number, since it uses less digits than its factorization.

2209190766065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35351079.

The product of its (nonzero) digits is 2449440, while the sum is 53.

The spelling of 2209190766065 in words is "two trillion, two hundred nine billion, one hundred ninety million, seven hundred sixty-six thousand, sixty-five".