2261830369 has 2 divisors, whose sum is σ = 2261830370. Its totient is φ = 2261830368.

The previous prime is 2261830349. The next prime is 2261830393. The reversal of 2261830369 is 9630381622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1471489600 + 790340769 = 38360^2 + 28113^2 .

It is a cyclic number.

It is not a de Polignac number, because 2261830369 - 2¹³ = 2261822177 is a prime.

It is a super-2 number, since 2×2261830369² = 10231753236261352322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2261830349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1130915184 + 1130915185.

It is an arithmetic number, because the mean of its divisors is an integer number (1130915185).

Almost surely, 2^2261830369 is an apocalyptic number.

It is an amenable number.

2261830369 is a deficient number, since it is larger than the sum of its proper divisors (1).

2261830369 is an equidigital number, since it uses as much as digits as its factorization.

2261830369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 2261830369 is about 47558.7044503948. The cubic root of 2261830369 is about 1312.6633012715.

The spelling of 2261830369 in words is "two billion, two hundred sixty-one million, eight hundred thirty thousand, three hundred sixty-nine".