4526374081849 has 2 divisors, whose sum is σ = 4526374081850. Its totient is φ = 4526374081848.

The previous prime is 4526374081837. The next prime is 4526374081927. The reversal of 4526374081849 is 9481804736254.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4166742387600 + 359631694249 = 2041260^2 + 599693^2 .

It is a cyclic number.

It is not a de Polignac number, because 4526374081849 - 2⁷ = 4526374081721 is a prime.

It is not a weakly prime, because it can be changed into another prime (4526374081819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2263187040924 + 2263187040925.

It is an arithmetic number, because the mean of its divisors is an integer number (2263187040925).

It is a 2-persistent number, because it is pandigital, and so is 2⋅4526374081849 = 9052748163698, but 3⋅4526374081849 = 13579122245547 is not.

Almost surely, 2^{4526374081849} is an apocalyptic number.

It is an amenable number.

4526374081849 is a deficient number, since it is larger than the sum of its proper divisors (1).

4526374081849 is an equidigital number, since it uses as much as digits as its factorization.

4526374081849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46448640, while the sum is 61.

The spelling of 4526374081849 in words is "four trillion, five hundred twenty-six billion, three hundred seventy-four million, eighty-one thousand, eight hundred forty-nine".