1798856908713 has 12 divisors (see below), whose sum is σ = 2598365634228. Its totient is φ = 1199230200960.

The previous prime is 1798856908711. The next prime is 1798856908747. The reversal of 1798856908713 is 3178096588971.

It can be written as a sum of positive squares in 2 ways, for example, as 1570342315689 + 228514593024 = 1253133^2 + 478032^2 .

It is not a de Polignac number, because 1798856908713 - 2¹ = 1798856908711 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1798856908711) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1066453 + ... + 2176013.

It is an arithmetic number, because the mean of its divisors is an integer number (216530469519).

Almost surely, 2^{1798856908713} is an apocalyptic number.

It is an amenable number.

1798856908713 is a deficient number, since it is larger than the sum of its proper divisors (799508725515).

1798856908713 is a wasteful number, since it uses less digits than its factorization.

1798856908713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1289704 (or 1289701 counting only the distinct ones).

The product of its (nonzero) digits is 182891520, while the sum is 72.

The spelling of 1798856908713 in words is "one trillion, seven hundred ninety-eight billion, eight hundred fifty-six million, nine hundred eight thousand, seven hundred thirteen".