109996637 has 2 divisors, whose sum is σ = 109996638. Its totient is φ = 109996636.

The previous prime is 109996633. The next prime is 109996669. The reversal of 109996637 is 736699901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80174116 + 29822521 = 8954^2 + 5461^2 .

It is a cyclic number.

It is not a de Polignac number, because 109996637 - 2² = 109996633 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109996633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54998318 + 54998319.

It is an arithmetic number, because the mean of its divisors is an integer number (54998319).

Almost surely, 2^109996637 is an apocalyptic number.

It is an amenable number.

109996637 is a deficient number, since it is larger than the sum of its proper divisors (1).

109996637 is an equidigital number, since it uses as much as digits as its factorization.

109996637 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 551124, while the sum is 50.

The square root of 109996637 is about 10487.9281557417. The cubic root of 109996637 is about 479.1371027641.

The spelling of 109996637 in words is "one hundred nine million, nine hundred ninety-six thousand, six hundred thirty-seven".