2266993409 has 2 divisors, whose sum is σ = 2266993410. Its totient is φ = 2266993408.

The previous prime is 2266993373. The next prime is 2266993439. The reversal of 2266993409 is 9043996622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1766352784 + 500640625 = 42028^2 + 22375^2 .

It is a cyclic number.

It is not a de Polignac number, because 2266993409 - 2²⁰ = 2265944833 is a prime.

It is not a weakly prime, because it can be changed into another prime (2266993439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1133496704 + 1133496705.

It is an arithmetic number, because the mean of its divisors is an integer number (1133496705).

Almost surely, 2^2266993409 is an apocalyptic number.

It is an amenable number.

2266993409 is a deficient number, since it is larger than the sum of its proper divisors (1).

2266993409 is an equidigital number, since it uses as much as digits as its factorization.

2266993409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1259712, while the sum is 50.

The square root of 2266993409 is about 47612.9542141632. The cubic root of 2266993409 is about 1313.6613399870.

The spelling of 2266993409 in words is "two billion, two hundred sixty-six million, nine hundred ninety-three thousand, four hundred nine".