530640525840658 has 8 divisors (see below), whose sum is σ = 796430936898828. Its totient is φ = 265163546874384.

The previous prime is 530640525840617. The next prime is 530640525840727. The reversal of 530640525840658 is 856048525046035.

It can be written as a sum of positive squares in 2 ways, for example, as 523084607907849 + 7555917932809 = 22871043^2 + 2748803^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 530640525840596 and 530640525840605.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78358018741 + ... + 78358025512.

Almost surely, 2^{530640525840658} is an apocalyptic number.

530640525840658 is a deficient number, since it is larger than the sum of its proper divisors (265790411058170).

530640525840658 is a wasteful number, since it uses less digits than its factorization.

530640525840658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156716045948.

The product of its (nonzero) digits is 138240000, while the sum is 61.

The spelling of 530640525840658 in words is "five hundred thirty trillion, six hundred forty billion, five hundred twenty-five million, eight hundred forty thousand, six hundred fifty-eight".