555156620939 has 2 divisors, whose sum is σ = 555156620940. Its totient is φ = 555156620938.

The previous prime is 555156620911. The next prime is 555156620969. The reversal of 555156620939 is 939026651555.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-555156620939 is a prime.

It is not a weakly prime, because it can be changed into another prime (555156620969) 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, 277578310469 + 277578310470.

It is an arithmetic number, because the mean of its divisors is an integer number (277578310470).

Almost surely, 2^555156620939 is an apocalyptic number.

555156620939 is a deficient number, since it is larger than the sum of its proper divisors (1).

555156620939 is an equidigital number, since it uses as much as digits as its factorization.

555156620939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10935000, while the sum is 56.

The spelling of 555156620939 in words is "five hundred fifty-five billion, one hundred fifty-six million, six hundred twenty thousand, nine hundred thirty-nine".