530657444545 has 8 divisors (see below), whose sum is σ = 637050248424. Its totient is φ = 424351745664.

The previous prime is 530657444539. The next prime is 530657444557. The reversal of 530657444545 is 545444756035.

It can be written as a sum of positive squares in 4 ways, for example, as 170907001281 + 359750443264 = 413409^2 + 599792^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 530657444545 - 2⁹ = 530657444033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 530657444492 and 530657444501.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21762844 + ... + 21787213.

It is an arithmetic number, because the mean of its divisors is an integer number (79631281053).

Almost surely, 2^530657444545 is an apocalyptic number.

It is an amenable number.

530657444545 is a deficient number, since it is larger than the sum of its proper divisors (106392803879).

530657444545 is a wasteful number, since it uses less digits than its factorization.

530657444545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43552499.

The product of its (nonzero) digits is 20160000, while the sum is 52.

The spelling of 530657444545 in words is "five hundred thirty billion, six hundred fifty-seven million, four hundred forty-four thousand, five hundred forty-five".