8209290541699 has 4 divisors (see below), whose sum is σ = 8840774429536. Its totient is φ = 7577806653864.

The previous prime is 8209290541637. The next prime is 8209290541709. The reversal of 8209290541699 is 9961450929028.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8209290541699 - 2²¹ = 8209288444547 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8209290541699.

It is not an unprimeable number, because it can be changed into a prime (8209290547699) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 315741943899 + ... + 315741943924.

It is an arithmetic number, because the mean of its divisors is an integer number (2210193607384).

Almost surely, 2^{8209290541699} is an apocalyptic number.

8209290541699 is a deficient number, since it is larger than the sum of its proper divisors (631483887837).

8209290541699 is a wasteful number, since it uses less digits than its factorization.

8209290541699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631483887836.

The product of its (nonzero) digits is 25194240, while the sum is 64.

The spelling of 8209290541699 in words is "eight trillion, two hundred nine billion, two hundred ninety million, five hundred forty-one thousand, six hundred ninety-nine".