2850071745685 has 4 divisors (see below), whose sum is σ = 3420086094828. Its totient is φ = 2280057396544.

The previous prime is 2850071745659. The next prime is 2850071745701. The reversal of 2850071745685 is 5865471700582.

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

It can be written as a sum of positive squares in 2 ways, for example, as 963399177841 + 1886672567844 = 981529^2 + 1373562^2 .

It is a cyclic number.

It is not a de Polignac number, because 2850071745685 - 2¹¹ = 2850071743637 is a prime.

It is a super-2 number, since 2×2850071745685² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

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, 285007174564 + ... + 285007174573.

It is an arithmetic number, because the mean of its divisors is an integer number (855021523707).

Almost surely, 2^{2850071745685} is an apocalyptic number.

It is an amenable number.

2850071745685 is a deficient number, since it is larger than the sum of its proper divisors (570014349143).

2850071745685 is an equidigital number, since it uses as much as digits as its factorization.

2850071745685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570014349142.

The product of its (nonzero) digits is 18816000, while the sum is 58.

The spelling of 2850071745685 in words is "two trillion, eight hundred fifty billion, seventy-one million, seven hundred forty-five thousand, six hundred eighty-five".