2327477681 has 2 divisors, whose sum is σ = 2327477682. Its totient is φ = 2327477680.

The previous prime is 2327477671. The next prime is 2327477683. The reversal of 2327477681 is 1867747232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2321794225 + 5683456 = 48185^2 + 2384^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2327477681 is a prime.

It is a super-2 number, since 2×2327477681² = 10834304711106275522, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 2327477683, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2327477683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1163738840 + 1163738841.

It is an arithmetic number, because the mean of its divisors is an integer number (1163738841).

Almost surely, 2^2327477681 is an apocalyptic number.

It is an amenable number.

2327477681 is a deficient number, since it is larger than the sum of its proper divisors (1).

2327477681 is an equidigital number, since it uses as much as digits as its factorization.

2327477681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 790272, while the sum is 47.

The square root of 2327477681 is about 48243.9393188409. The cubic root of 2327477681 is about 1325.2419505473.

The spelling of 2327477681 in words is "two billion, three hundred twenty-seven million, four hundred seventy-seven thousand, six hundred eighty-one".