109920653 has 2 divisors, whose sum is σ = 109920654. Its totient is φ = 109920652.

The previous prime is 109920647. The next prime is 109920667. The reversal of 109920653 is 356029901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102961609 + 6959044 = 10147^2 + 2638^2 .

It is an emirp because it is prime and its reverse (356029901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 109920653 - 2¹⁰ = 109919629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109920053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54960326 + 54960327.

It is an arithmetic number, because the mean of its divisors is an integer number (54960327).

Almost surely, 2^109920653 is an apocalyptic number.

It is an amenable number.

109920653 is a deficient number, since it is larger than the sum of its proper divisors (1).

109920653 is an equidigital number, since it uses as much as digits as its factorization.

109920653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 109920653 is about 10484.3050794986. The cubic root of 109920653 is about 479.0267504815.

The spelling of 109920653 in words is "one hundred nine million, nine hundred twenty thousand, six hundred fifty-three".