2698126849065 has 16 divisors (see below), whose sum is σ = 4317659096256. Its totient is φ = 1438782273600.

The previous prime is 2698126849063. The next prime is 2698126849081. The reversal of 2698126849065 is 5609486218962.

It is not a de Polignac number, because 2698126849065 - 2¹ = 2698126849063 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2698126848987 and 2698126849005.

It is not an unprimeable number, because it can be changed into a prime (2698126849063) 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 15 ways as a sum of consecutive naturals, for example, 13567531 + ... + 13764960.

It is an arithmetic number, because the mean of its divisors is an integer number (269853693516).

Almost surely, 2^{2698126849065} is an apocalyptic number.

It is an amenable number.

2698126849065 is a deficient number, since it is larger than the sum of its proper divisors (1619532247191).

2698126849065 is a wasteful number, since it uses less digits than its factorization.

2698126849065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27339080.

The product of its (nonzero) digits is 89579520, while the sum is 66.

The spelling of 2698126849065 in words is "two trillion, six hundred ninety-eight billion, one hundred twenty-six million, eight hundred forty-nine thousand, sixty-five".