13638486590 has 16 divisors (see below), whose sum is σ = 24656482080. Its totient is φ = 5431571040.

The previous prime is 13638486581. The next prime is 13638486637. The reversal of 13638486590 is 9568483631.

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, 2975546 + ... + 2980125.

It is an arithmetic number, because the mean of its divisors is an integer number (1541030130).

Almost surely, 2^13638486590 is an apocalyptic number.

13638486590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13638486590 is a deficient number, since it is larger than the sum of its proper divisors (11017995490).

13638486590 is a wasteful number, since it uses less digits than its factorization.

13638486590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5955907.

The product of its (nonzero) digits is 3732480, while the sum is 53.

The spelling of 13638486590 in words is "thirteen billion, six hundred thirty-eight million, four hundred eighty-six thousand, five hundred ninety".