532128235769 has 8 divisors (see below), whose sum is σ = 603222291840. Its totient is φ = 465342910416.

The previous prime is 532128235739. The next prime is 532128235781. The reversal of 532128235769 is 967532821235.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-532128235769 is a prime.

It is a super-2 number, since 2×532128235769² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 532128235769.

It is not an unprimeable number, because it can be changed into a prime (532128235739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1077182417 + ... + 1077182910.

It is an arithmetic number, because the mean of its divisors is an integer number (75402786480).

Almost surely, 2^532128235769 is an apocalyptic number.

It is an amenable number.

532128235769 is a deficient number, since it is larger than the sum of its proper divisors (71094056071).

532128235769 is a wasteful number, since it uses less digits than its factorization.

532128235769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2154365359.

The product of its digits is 5443200, while the sum is 53.

The spelling of 532128235769 in words is "five hundred thirty-two billion, one hundred twenty-eight million, two hundred thirty-five thousand, seven hundred sixty-nine".