2651679126798 has 64 divisors (see below), whose sum is σ = 5787120971520. Its totient is φ = 805130330112.

The previous prime is 2651679126797. The next prime is 2651679126829. The reversal of 2651679126798 is 8976219761562.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2651679126797) 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 31 ways as a sum of consecutive naturals, for example, 1526793 + ... + 2763051.

It is an arithmetic number, because the mean of its divisors is an integer number (90423765180).

Almost surely, 2^{2651679126798} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2651679126798, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2893560485760).

2651679126798 is an abundant number, since it is smaller than the sum of its proper divisors (3135441844722).

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

2651679126798 is a wasteful number, since it uses less digits than its factorization.

2651679126798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1236641.

The product of its digits is 137168640, while the sum is 69.

The spelling of 2651679126798 in words is "two trillion, six hundred fifty-one billion, six hundred seventy-nine million, one hundred twenty-six thousand, seven hundred ninety-eight".