1528869038697 has 384 divisors, whose sum is σ = 3239942307840. Its totient is φ = 699560064000.

The previous prime is 1528869038693. The next prime is 1528869038707. The reversal of 1528869038697 is 7968309688251.

1528869038697 is a `hidden beast` number, since 1 + 528 + 8 + 6 + 9 + 0 + 3 + 8 + 6 + 97 = 666.

It is not a de Polignac number, because 1528869038697 - 2² = 1528869038693 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1528869038693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 428132922 + ... + 428136492.

It is an arithmetic number, because the mean of its divisors is an integer number (8437349760).

Almost surely, 2^{1528869038697} is an apocalyptic number.

It is an amenable number.

1528869038697 is an abundant number, since it is smaller than the sum of its proper divisors (1711073269143).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1528869038697 is a wasteful number, since it uses less digits than its factorization.

1528869038697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3722 (or 3709 counting only the distinct ones).

The product of its (nonzero) digits is 313528320, while the sum is 72.

The spelling of 1528869038697 in words is "one trillion, five hundred twenty-eight billion, eight hundred sixty-nine million, thirty-eight thousand, six hundred ninety-seven".