2528691604836 has 72 divisors (see below), whose sum is σ = 6130524140832. Its totient is φ = 810755702400.

The previous prime is 2528691604807. The next prime is 2528691604883. The reversal of 2528691604836 is 6384061968252.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2528691604836.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1970391 + ... + 2989953.

Almost surely, 2^{2528691604836} is an apocalyptic number.

It is an amenable number.

2528691604836 is an abundant number, since it is smaller than the sum of its proper divisors (3601832535996).

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

2528691604836 is a wasteful number, since it uses less digits than its factorization.

2528691604836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019753 (or 1019680 counting only the distinct ones).

The product of its (nonzero) digits is 29859840, while the sum is 60.

The spelling of 2528691604836 in words is "two trillion, five hundred twenty-eight billion, six hundred ninety-one million, six hundred four thousand, eight hundred thirty-six".