655043004043 has 2 divisors, whose sum is σ = 655043004044. Its totient is φ = 655043004042.

The previous prime is 655043004029. The next prime is 655043004047. The reversal of 655043004043 is 340400340556.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 655043004043 - 2³⁷ = 517604050571 is a prime.

It is not a weakly prime, because it can be changed into another prime (655043004047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327521502021 + 327521502022.

It is an arithmetic number, because the mean of its divisors is an integer number (327521502022).

Almost surely, 2^655043004043 is an apocalyptic number.

655043004043 is a deficient number, since it is larger than the sum of its proper divisors (1).

655043004043 is an equidigital number, since it uses as much as digits as its factorization.

655043004043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86400, while the sum is 34.

Adding to 655043004043 its reverse (340400340556), we get a palindrome (995443344599).

The spelling of 655043004043 in words is "six hundred fifty-five billion, forty-three million, four thousand, forty-three".