13685009502 has 32 divisors (see below), whose sum is σ = 29001381120. Its totient is φ = 4292956800.

The previous prime is 13685009417. The next prime is 13685009593. The reversal of 13685009502 is 20590058631.

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 15 ways as a sum of consecutive naturals, for example, 380283 + ... + 414710.

It is an arithmetic number, because the mean of its divisors is an integer number (906293160).

Almost surely, 2^13685009502 is an apocalyptic number.

13685009502 is an abundant number, since it is smaller than the sum of its proper divisors (15316371618).

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

13685009502 is a wasteful number, since it uses less digits than its factorization.

13685009502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795168.

The product of its (nonzero) digits is 64800, while the sum is 39.

The spelling of 13685009502 in words is "thirteen billion, six hundred eighty-five million, nine thousand, five hundred two".