2689794550 has 24 divisors (see below), whose sum is σ = 5138238096. Its totient is φ = 1046838240.

The previous prime is 2689794533. The next prime is 2689794581. The reversal of 2689794550 is 554979862.

It is a junction number, because it is equal to n+sod(n) for n = 2689794491 and 2689794500.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 725122 + ... + 728821.

It is an arithmetic number, because the mean of its divisors is an integer number (214093254).

Almost surely, 2^2689794550 is an apocalyptic number.

2689794550 is a deficient number, since it is larger than the sum of its proper divisors (2448443546).

2689794550 is a wasteful number, since it uses less digits than its factorization.

2689794550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1453992 (or 1453987 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 55.

The square root of 2689794550 is about 51863.2292669865. The cubic root of 2689794550 is about 1390.7200089445.

It can be divided in two parts, 268979 and 4550, that added together give a square (273529 = 523²).

The spelling of 2689794550 in words is "two billion, six hundred eighty-nine million, seven hundred ninety-four thousand, five hundred fifty".