530444155345 has 32 divisors (see below), whose sum is σ = 691743465504. Its totient is φ = 388145049600.

The previous prime is 530444155343. The next prime is 530444155357. The reversal of 530444155345 is 543551444035.

It can be written as a sum of positive squares in 16 ways, for example, as 274432442769 + 256011712576 = 523863^2 + 505976^2 .

It is not a de Polignac number, because 530444155345 - 2¹ = 530444155343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (530444155343) 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 in 31 ways as a sum of consecutive naturals, for example, 39516735 + ... + 39530155.

It is an arithmetic number, because the mean of its divisors is an integer number (21616983297).

Almost surely, 2^530444155345 is an apocalyptic number.

It is an amenable number.

530444155345 is a deficient number, since it is larger than the sum of its proper divisors (161299310159).

530444155345 is a wasteful number, since it uses less digits than its factorization.

530444155345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18933.

The product of its (nonzero) digits is 1440000, while the sum is 43.

The spelling of 530444155345 in words is "five hundred thirty billion, four hundred forty-four million, one hundred fifty-five thousand, three hundred forty-five".