2039806817670 has 16 divisors (see below), whose sum is σ = 4895536362480. Its totient is φ = 543948484704.

The previous prime is 2039806817669. The next prime is 2039806817681. The reversal of 2039806817670 is 767186089302.

It is a self number, because there is not a number n which added to its sum of digits gives 2039806817670.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33996780265 + ... + 33996780324.

It is an arithmetic number, because the mean of its divisors is an integer number (305971022655).

Almost surely, 2^{2039806817670} is an apocalyptic number.

2039806817670 is an abundant number, since it is smaller than the sum of its proper divisors (2855729544810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2039806817670 is a wasteful number, since it uses less digits than its factorization.

2039806817670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67993560599.

The product of its (nonzero) digits is 6096384, while the sum is 57.

The spelling of 2039806817670 in words is "two trillion, thirty-nine billion, eight hundred six million, eight hundred seventeen thousand, six hundred seventy".