2261970371 has 2 divisors, whose sum is σ = 2261970372. Its totient is φ = 2261970370.

The previous prime is 2261970353. The next prime is 2261970413. The reversal of 2261970371 is 1730791622.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2261970371 - 2⁶ = 2261970307 is a prime.

It is not a weakly prime, because it can be changed into another prime (2261970671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1130985185 + 1130985186.

It is an arithmetic number, because the mean of its divisors is an integer number (1130985186).

Almost surely, 2^2261970371 is an apocalyptic number.

2261970371 is a deficient number, since it is larger than the sum of its proper divisors (1).

2261970371 is an equidigital number, since it uses as much as digits as its factorization.

2261970371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 2261970371 is about 47560.1763138027. The cubic root of 2261970371 is about 1312.6903843069.

The spelling of 2261970371 in words is "two billion, two hundred sixty-one million, nine hundred seventy thousand, three hundred seventy-one".