2685745029199 has 4 divisors (see below), whose sum is σ = 2688350020560. Its totient is φ = 2683140037840.

The previous prime is 2685745029179. The next prime is 2685745029229. The reversal of 2685745029199 is 9919205475862.

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 2685745029199 - 2¹³ = 2685745021007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2685745029139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1302494134 + ... + 1302496195.

It is an arithmetic number, because the mean of its divisors is an integer number (672087505140).

Almost surely, 2^{2685745029199} is an apocalyptic number.

2685745029199 is a deficient number, since it is larger than the sum of its proper divisors (2604991361).

2685745029199 is a wasteful number, since it uses less digits than its factorization.

2685745029199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2604991360.

The product of its (nonzero) digits is 97977600, while the sum is 67.

The spelling of 2685745029199 in words is "two trillion, six hundred eighty-five billion, seven hundred forty-five million, twenty-nine thousand, one hundred ninety-nine".