2766722051 has 8 divisors (see below), whose sum is σ = 2790088704. Its totient is φ = 2743380360.

The previous prime is 2766722033. The next prime is 2766722071. The reversal of 2766722051 is 1502276672.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2766722051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2766721996 and 2766722014.

It is not an unprimeable number, because it can be changed into a prime (2766722071) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 265526 + ... + 275748.

It is an arithmetic number, because the mean of its divisors is an integer number (348761088).

Almost surely, 2^2766722051 is an apocalyptic number.

2766722051 is a deficient number, since it is larger than the sum of its proper divisors (23366653).

2766722051 is a wasteful number, since it uses less digits than its factorization.

2766722051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12481.

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 2766722051 is about 52599.6392668239. The cubic root of 2766722051 is about 1403.8536769220.

The spelling of 2766722051 in words is "two billion, seven hundred sixty-six million, seven hundred twenty-two thousand, fifty-one".