4257206628473 has 2 divisors, whose sum is σ = 4257206628474. Its totient is φ = 4257206628472.

The previous prime is 4257206628463. The next prime is 4257206628481. The reversal of 4257206628473 is 3748266027524.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4000332006889 + 256874621584 = 2000083^2 + 506828^2 .

It is a cyclic number.

It is not a de Polignac number, because 4257206628473 - 2⁸ = 4257206628217 is a prime.

It is not a weakly prime, because it can be changed into another prime (4257206628463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2128603314236 + 2128603314237.

It is an arithmetic number, because the mean of its divisors is an integer number (2128603314237).

Almost surely, 2^{4257206628473} is an apocalyptic number.

It is an amenable number.

4257206628473 is a deficient number, since it is larger than the sum of its proper divisors (1).

4257206628473 is an equidigital number, since it uses as much as digits as its factorization.

4257206628473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27095040, while the sum is 56.

The spelling of 4257206628473 in words is "four trillion, two hundred fifty-seven billion, two hundred six million, six hundred twenty-eight thousand, four hundred seventy-three".