28413908536 has 32 divisors (see below), whose sum is σ = 57561189840. Its totient is φ = 13071379968.

The previous prime is 28413908507. The next prime is 28413908557. The reversal of 28413908536 is 63580931482.

It is a self number, because there is not a number n which added to its sum of digits gives 28413908536.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 413041 + ... + 476896.

Almost surely, 2^28413908536 is an apocalyptic number.

28413908536 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

28413908536 is an abundant number, since it is smaller than the sum of its proper divisors (29147281304).

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

28413908536 is a wasteful number, since it uses less digits than its factorization.

28413908536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890263 (or 890259 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 49.

The spelling of 28413908536 in words is "twenty-eight billion, four hundred thirteen million, nine hundred eight thousand, five hundred thirty-six".