4547423561237 has 2 divisors, whose sum is σ = 4547423561238. Its totient is φ = 4547423561236.

The previous prime is 4547423561227. The next prime is 4547423561243. The reversal of 4547423561237 is 7321653247454.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4529367189361 + 18056371876 = 2128231^2 + 134374^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4547423561237 is a prime.

It is a super-2 number, since 2×4547423561237² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4547423561227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2273711780618 + 2273711780619.

It is an arithmetic number, because the mean of its divisors is an integer number (2273711780619).

Almost surely, 2^{4547423561237} is an apocalyptic number.

It is an amenable number.

4547423561237 is a deficient number, since it is larger than the sum of its proper divisors (1).

4547423561237 is an equidigital number, since it uses as much as digits as its factorization.

4547423561237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16934400, while the sum is 53.

The spelling of 4547423561237 in words is "four trillion, five hundred forty-seven billion, four hundred twenty-three million, five hundred sixty-one thousand, two hundred thirty-seven".