2679225543556 has 27 divisors (see below), whose sum is σ = 4756024651287. Its totient is φ = 1320630407880.

The previous prime is 2679225543551. The next prime is 2679225543559. The reversal of 2679225543556 is 6553455229762.

The square root of 2679225543556 is 1636834.

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

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2679225543494 and 2679225543503.

It is not an unprimeable number, because it can be changed into a prime (2679225543551) 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, 232424665 + ... + 232436191.

Almost surely, 2^{2679225543556} is an apocalyptic number.

2679225543556 is the 1636834-th square number.

It is an amenable number.

2679225543556 is a deficient number, since it is larger than the sum of its proper divisors (2076799107731).

2679225543556 is an frugal number, since it uses more digits than its factorization.

2679225543556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23200 (or 11600 counting only the distinct ones).

The product of its digits is 136080000, while the sum is 61.

The spelling of 2679225543556 in words is "two trillion, six hundred seventy-nine billion, two hundred twenty-five million, five hundred forty-three thousand, five hundred fifty-six".