1530729212965 has 16 divisors (see below), whose sum is σ = 1854141492672. Its totient is φ = 1213073640064.

The previous prime is 1530729212911. The next prime is 1530729213001. The reversal of 1530729212965 is 5692129270351.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1530729212965 - 2¹¹ = 1530729210917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 11563482 + ... + 11695108.

It is an arithmetic number, because the mean of its divisors is an integer number (115883843292).

Almost surely, 2^{1530729212965} is an apocalyptic number.

It is an amenable number.

1530729212965 is a deficient number, since it is larger than the sum of its proper divisors (323412279707).

1530729212965 is a wasteful number, since it uses less digits than its factorization.

1530729212965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153476.

The product of its (nonzero) digits is 2041200, while the sum is 52.

The spelling of 1530729212965 in words is "one trillion, five hundred thirty billion, seven hundred twenty-nine million, two hundred twelve thousand, nine hundred sixty-five".