10309905608 has 12 divisors (see below), whose sum is σ = 19331611515. Its totient is φ = 5154809208.

The previous prime is 10309905523. The next prime is 10309905611. The reversal of 10309905608 is 80650990301.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 5154952804 + 5154952804 = 71798^2 + 71798^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=71798.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 269243 + ... + 305141.

Almost surely, 2^10309905608 is an apocalyptic number.

It is an amenable number.

10309905608 is a deficient number, since it is larger than the sum of its proper divisors (9021705907).

10309905608 is an frugal number, since it uses more digits than its factorization.

10309905608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71804 (or 35901 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 41.

The spelling of 10309905608 in words is "ten billion, three hundred nine million, nine hundred five thousand, six hundred eight".