13888837090 has 16 divisors (see below), whose sum is σ = 25471604088. Its totient is φ = 5450713216.

The previous prime is 13888837087. The next prime is 13888837091. The reversal of 13888837090 is 9073888831.

It can be written as a sum of positive squares in 4 ways, for example, as 13879902969 + 8934121 = 117813^2 + 2989^2 .

It is not an unprimeable number, because it can be changed into a prime (13888837091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13102147 + ... + 13103206.

Almost surely, 2^13888837090 is an apocalyptic number.

13888837090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13888837090 is a deficient number, since it is larger than the sum of its proper divisors (11582766998).

13888837090 is a wasteful number, since it uses less digits than its factorization.

13888837090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26205413.

The product of its (nonzero) digits is 2322432, while the sum is 55.

The spelling of 13888837090 in words is "thirteen billion, eight hundred eighty-eight million, eight hundred thirty-seven thousand, ninety".