2698738556 has 12 divisors (see below), whose sum is σ = 4725688968. Its totient is φ = 1348541712.

The previous prime is 2698738519. The next prime is 2698738561. The reversal of 2698738556 is 6558378962.

It is a junction number, because it is equal to n+sod(n) for n = 2698738495 and 2698738504.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 199526 + ... + 212621.

It is an arithmetic number, because the mean of its divisors is an integer number (393807414).

Almost surely, 2^2698738556 is an apocalyptic number.

It is an amenable number.

2698738556 is a deficient number, since it is larger than the sum of its proper divisors (2026950412).

2698738556 is a wasteful number, since it uses less digits than its factorization.

2698738556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413788 (or 413786 counting only the distinct ones).

The product of its digits is 21772800, while the sum is 59.

The square root of 2698738556 is about 51949.3845584334. The cubic root of 2698738556 is about 1392.2597605853.

The spelling of 2698738556 in words is "two billion, six hundred ninety-eight million, seven hundred thirty-eight thousand, five hundred fifty-six".