2428231657 has 2 divisors, whose sum is σ = 2428231658. Its totient is φ = 2428231656.

The previous prime is 2428231651. The next prime is 2428231681. The reversal of 2428231657 is 7561328242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1643167296 + 785064361 = 40536^2 + 28019^2 .

It is a cyclic number.

It is not a de Polignac number, because 2428231657 - 2⁷ = 2428231529 is a prime.

It is not a weakly prime, because it can be changed into another prime (2428231651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1214115828 + 1214115829.

It is an arithmetic number, because the mean of its divisors is an integer number (1214115829).

Almost surely, 2^2428231657 is an apocalyptic number.

It is an amenable number.

2428231657 is a deficient number, since it is larger than the sum of its proper divisors (1).

2428231657 is an equidigital number, since it uses as much as digits as its factorization.

2428231657 is an evil number, because the sum of its binary digits is even.

The product of its digits is 161280, while the sum is 40.

The square root of 2428231657 is about 49277.0905898471. The cubic root of 2428231657 is about 1344.0952271036.

Adding to 2428231657 its reverse (7561328242), we get a palindrome (9989559899).

The spelling of 2428231657 in words is "two billion, four hundred twenty-eight million, two hundred thirty-one thousand, six hundred fifty-seven".