2109669765206 has 8 divisors (see below), whose sum is σ = 3164512117824. Its totient is φ = 1054832392600.

The previous prime is 2109669765187. The next prime is 2109669765233. The reversal of 2109669765206 is 6025679669012.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108251 + ... + 2056953.

It is an arithmetic number, because the mean of its divisors is an integer number (395564014728).

Almost surely, 2^{2109669765206} is an apocalyptic number.

2109669765206 is a deficient number, since it is larger than the sum of its proper divisors (1054842352618).

2109669765206 is a wasteful number, since it uses less digits than its factorization.

2109669765206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2490006.

The product of its (nonzero) digits is 14696640, while the sum is 59.

The spelling of 2109669765206 in words is "two trillion, one hundred nine billion, six hundred sixty-nine million, seven hundred sixty-five thousand, two hundred six".