13908289738 has 16 divisors (see below), whose sum is σ = 24198646464. Its totient is φ = 5871729600.

The previous prime is 13908289723. The next prime is 13908289783. The reversal of 13908289738 is 83798280931.

It is a super-2 number, since 2×13908289738² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7412863 + ... + 7414738.

It is an arithmetic number, because the mean of its divisors is an integer number (1512415404).

Almost surely, 2^13908289738 is an apocalyptic number.

13908289738 is a deficient number, since it is larger than the sum of its proper divisors (10290356726).

13908289738 is a wasteful number, since it uses less digits than its factorization.

13908289738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14827677.

The product of its (nonzero) digits is 5225472, while the sum is 58.

The spelling of 13908289738 in words is "thirteen billion, nine hundred eight million, two hundred eighty-nine thousand, seven hundred thirty-eight".