2766381901 has 2 divisors, whose sum is σ = 2766381902. Its totient is φ = 2766381900.

The previous prime is 2766381881. The next prime is 2766381973. The reversal of 2766381901 is 1091836672.

2766381901 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1726319401 + 1040062500 = 41549^2 + 32250^2 .

It is a cyclic number.

It is not a de Polignac number, because 2766381901 - 2¹⁵ = 2766349133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2766381991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1383190950 + 1383190951.

It is an arithmetic number, because the mean of its divisors is an integer number (1383190951).

Almost surely, 2^2766381901 is an apocalyptic number.

It is an amenable number.

2766381901 is a deficient number, since it is larger than the sum of its proper divisors (1).

2766381901 is an equidigital number, since it uses as much as digits as its factorization.

2766381901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 2766381901 is about 52596.4057802432. The cubic root of 2766381901 is about 1403.7961430859.

The spelling of 2766381901 in words is "two billion, seven hundred sixty-six million, three hundred eighty-one thousand, nine hundred one".