2372291081 has 2 divisors, whose sum is σ = 2372291082. Its totient is φ = 2372291080.

The previous prime is 2372291021. The next prime is 2372291083. The reversal of 2372291081 is 1801922732.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1624815481 + 747475600 = 40309^2 + 27340^2 .

It is a cyclic number.

It is not a de Polignac number, because 2372291081 - 2⁶ = 2372291017 is a prime.

It is a super-2 number, since 2×2372291081² = 11255529945984297122, which contains 22 as substring.

Together with 2372291083, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2372291083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1186145540 + 1186145541.

It is an arithmetic number, because the mean of its divisors is an integer number (1186145541).

Almost surely, 2^2372291081 is an apocalyptic number.

It is an amenable number.

2372291081 is a deficient number, since it is larger than the sum of its proper divisors (1).

2372291081 is an equidigital number, since it uses as much as digits as its factorization.

2372291081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 2372291081 is about 48706.1708718721. The cubic root of 2372291081 is about 1333.6933693482.

The spelling of 2372291081 in words is "two billion, three hundred seventy-two million, two hundred ninety-one thousand, eighty-one".