548865040831 has 2 divisors, whose sum is σ = 548865040832. Its totient is φ = 548865040830.

The previous prime is 548865040819. The next prime is 548865040849. The reversal of 548865040831 is 138040568845.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 548865040831 - 2⁵ = 548865040799 is a prime.

It is a super-2 number, since 2×548865040831² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (548865040891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274432520415 + 274432520416.

It is an arithmetic number, because the mean of its divisors is an integer number (274432520416).

Almost surely, 2^548865040831 is an apocalyptic number.

548865040831 is a deficient number, since it is larger than the sum of its proper divisors (1).

548865040831 is an equidigital number, since it uses as much as digits as its factorization.

548865040831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3686400, while the sum is 52.

The spelling of 548865040831 in words is "five hundred forty-eight billion, eight hundred sixty-five million, forty thousand, eight hundred thirty-one".