2766794421 has 16 divisors (see below), whose sum is σ = 4111646400. Its totient is φ = 1644657408.

The previous prime is 2766794419. The next prime is 2766794447. The reversal of 2766794421 is 1244976672.

It is not a de Polignac number, because 2766794421 - 2¹ = 2766794419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2766794411) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1426686 + ... + 1428623.

It is an arithmetic number, because the mean of its divisors is an integer number (256977900).

Almost surely, 2^2766794421 is an apocalyptic number.

It is an amenable number.

2766794421 is a deficient number, since it is larger than the sum of its proper divisors (1344851979).

2766794421 is a wasteful number, since it uses less digits than its factorization.

2766794421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2855348.

The product of its digits is 1016064, while the sum is 48.

The square root of 2766794421 is about 52600.3271947998. The cubic root of 2766794421 is about 1403.8659171595.

The spelling of 2766794421 in words is "two billion, seven hundred sixty-six million, seven hundred ninety-four thousand, four hundred twenty-one".