2266891379 has 2 divisors, whose sum is σ = 2266891380. Its totient is φ = 2266891378.

The previous prime is 2266891313. The next prime is 2266891391. The reversal of 2266891379 is 9731986622.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2266891379 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2266891379.

It is not a weakly prime, because it can be changed into another prime (2266891309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1133445689 + 1133445690.

It is an arithmetic number, because the mean of its divisors is an integer number (1133445690).

Almost surely, 2^2266891379 is an apocalyptic number.

2266891379 is a deficient number, since it is larger than the sum of its proper divisors (1).

2266891379 is an equidigital number, since it uses as much as digits as its factorization.

2266891379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1959552, while the sum is 53.

The square root of 2266891379 is about 47611.8827500027. The cubic root of 2266891379 is about 1313.6416318166.

The spelling of 2266891379 in words is "two billion, two hundred sixty-six million, eight hundred ninety-one thousand, three hundred seventy-nine".