520455059939 has 2 divisors, whose sum is σ = 520455059940. Its totient is φ = 520455059938.

The previous prime is 520455059933. The next prime is 520455060017. The reversal of 520455059939 is 939950554025.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 520455059939 - 2¹² = 520455055843 is a prime.

It is a super-2 number, since 2×520455059939² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (520455059933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260227529969 + 260227529970.

It is an arithmetic number, because the mean of its divisors is an integer number (260227529970).

Almost surely, 2^520455059939 is an apocalyptic number.

520455059939 is a deficient number, since it is larger than the sum of its proper divisors (1).

520455059939 is an equidigital number, since it uses as much as digits as its factorization.

520455059939 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 520455059939 in words is "five hundred twenty billion, four hundred fifty-five million, fifty-nine thousand, nine hundred thirty-nine".