10908837939609 has 27 divisors (see below), whose sum is σ = 15831394037823. Its totient is φ = 7238479789152.

The previous prime is 10908837939551. The next prime is 10908837939631. The reversal of 10908837939609 is 90693973880901.

It is a happy number.

The square root of 10908837939609 is 3302853.

It is a perfect power (a square), and thus also a powerful number.

10908837939609 is a `hidden beast` number, since 1 + 0 + 9 + 0 + 8 + 8 + 3 + 7 + 9 + 3 + 9 + 609 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4741919984025 + 6166917955584 = 2177595^2 + 2483328^2 .

It is not a de Polignac number, because 10908837939609 - 2⁷ = 10908837939481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10908837935609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2209606189 + ... + 2209611125.

Almost surely, 2^{10908837939609} is an apocalyptic number.

10908837939609 is the 3302853-rd square number.

10908837939609 is the 1651427-th centered octagonal number.

It is an amenable number.

10908837939609 is a deficient number, since it is larger than the sum of its proper divisors (4922556098214).

10908837939609 is an frugal number, since it uses more digits than its factorization.

10908837939609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10326 (or 5163 counting only the distinct ones).

The product of its (nonzero) digits is 158723712, while the sum is 72.

The spelling of 10908837939609 in words is "ten trillion, nine hundred eight billion, eight hundred thirty-seven million, nine hundred thirty-nine thousand, six hundred nine".