2769723656 has 32 divisors (see below), whose sum is σ = 5937579840. Its totient is φ = 1186532928.

The previous prime is 2769723637. The next prime is 2769723673. The reversal of 2769723656 is 6563279672.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2769723598 and 2769723607.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147791 + ... + 165473.

It is an arithmetic number, because the mean of its divisors is an integer number (185549370).

Almost surely, 2^2769723656 is an apocalyptic number.

It is an amenable number.

2769723656 is an abundant number, since it is smaller than the sum of its proper divisors (3167856184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2769723656 is a wasteful number, since it uses less digits than its factorization.

2769723656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20493 (or 20489 counting only the distinct ones).

The product of its digits is 5715360, while the sum is 53.

The square root of 2769723656 is about 52628.1640949026. The cubic root of 2769723656 is about 1404.3611717367.

The spelling of 2769723656 in words is "two billion, seven hundred sixty-nine million, seven hundred twenty-three thousand, six hundred fifty-six".