13805747090 has 32 divisors (see below), whose sum is σ = 26519353344. Its totient is φ = 5156524800.

The previous prime is 13805747083. The next prime is 13805747113. The reversal of 13805747090 is 9074750831.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 298136 + ... + 341315.

It is an arithmetic number, because the mean of its divisors is an integer number (828729792).

Almost surely, 2^13805747090 is an apocalyptic number.

13805747090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13805747090 is a deficient number, since it is larger than the sum of its proper divisors (12713606254).

13805747090 is a wasteful number, since it uses less digits than its factorization.

13805747090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639602.

The product of its (nonzero) digits is 211680, while the sum is 44.

The spelling of 13805747090 in words is "thirteen billion, eight hundred five million, seven hundred forty-seven thousand, ninety".