428988750536 has 8 divisors (see below), whose sum is σ = 804353907270. Its totient is φ = 214494375264.

The previous prime is 428988750527. The next prime is 428988750539. The reversal of 428988750536 is 635057889824.

It can be written as a sum of positive squares in only one way, i.e., 427462285636 + 1526464900 = 653806^2 + 39070^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (428988750539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26811796901 + ... + 26811796916.

Almost surely, 2^428988750536 is an apocalyptic number.

It is an amenable number.

428988750536 is a deficient number, since it is larger than the sum of its proper divisors (375365156734).

428988750536 is a wasteful number, since it uses less digits than its factorization.

428988750536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53623593823 (or 53623593819 counting only the distinct ones).

The product of its (nonzero) digits is 116121600, while the sum is 65.

The spelling of 428988750536 in words is "four hundred twenty-eight billion, nine hundred eighty-eight million, seven hundred fifty thousand, five hundred thirty-six".