2798373591556 has 27 divisors (see below), whose sum is σ = 5202272558847. Its totient is φ = 1316854924800.

The previous prime is 2798373591527. The next prime is 2798373591557. The reversal of 2798373591556 is 6551953738972.

The square root of 2798373591556 is 1672834.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 142725284100 + 2655648307456 = 377790^2 + 1629616^2 .

It is a super-2 number, since 2×2798373591556² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2798373591557) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 56851756 + ... + 56900956.

Almost surely, 2^{2798373591556} is an apocalyptic number.

2798373591556 is the 1672834-th square number.

It is an amenable number.

2798373591556 is a deficient number, since it is larger than the sum of its proper divisors (2403898967291).

2798373591556 is an frugal number, since it uses more digits than its factorization.

2798373591556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98440 (or 49220 counting only the distinct ones).

The product of its digits is 428652000, while the sum is 70.

The spelling of 2798373591556 in words is "two trillion, seven hundred ninety-eight billion, three hundred seventy-three million, five hundred ninety-one thousand, five hundred fifty-six".