2798512773137 has 4 divisors (see below), whose sum is σ = 2895013213620. Its totient is φ = 2702012332656.

The previous prime is 2798512773101. The next prime is 2798512773151. The reversal of 2798512773137 is 7313772158972.

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 2237585172736 + 560927600401 = 1495856^2 + 748951^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2798512773137 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2798512773137.

It is not an unprimeable number, because it can be changed into a prime (2798512773937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48250220198 + ... + 48250220255.

It is an arithmetic number, because the mean of its divisors is an integer number (723753303405).

Almost surely, 2^{2798512773137} is an apocalyptic number.

It is an amenable number.

2798512773137 is a deficient number, since it is larger than the sum of its proper divisors (96500440483).

2798512773137 is an equidigital number, since it uses as much as digits as its factorization.

2798512773137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96500440482.

The product of its digits is 31116960, while the sum is 62.

The spelling of 2798512773137 in words is "two trillion, seven hundred ninety-eight billion, five hundred twelve million, seven hundred seventy-three thousand, one hundred thirty-seven".