4257421875037 has 2 divisors, whose sum is σ = 4257421875038. Its totient is φ = 4257421875036.

The previous prime is 4257421875029. The next prime is 4257421875041. The reversal of 4257421875037 is 7305781247524.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3630267166276 + 627154708761 = 1905326^2 + 791931^2 .

It is a cyclic number.

It is not a de Polignac number, because 4257421875037 - 2³ = 4257421875029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4257421875437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2128710937518 + 2128710937519.

It is an arithmetic number, because the mean of its divisors is an integer number (2128710937519).

Almost surely, 2^{4257421875037} is an apocalyptic number.

It is an amenable number.

4257421875037 is a deficient number, since it is larger than the sum of its proper divisors (1).

4257421875037 is an equidigital number, since it uses as much as digits as its factorization.

4257421875037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13171200, while the sum is 55.

The spelling of 4257421875037 in words is "four trillion, two hundred fifty-seven billion, four hundred twenty-one million, eight hundred seventy-five thousand, thirty-seven".