2163709797 has 16 divisors (see below), whose sum is σ = 3168821760. Its totient is φ = 1307137392.

The previous prime is 2163709783. The next prime is 2163709817. The reversal of 2163709797 is 7979073612.

It is not a de Polignac number, because 2163709797 - 2¹⁰ = 2163708773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2163701797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 823903 + ... + 826524.

It is an arithmetic number, because the mean of its divisors is an integer number (198051360).

Almost surely, 2^2163709797 is an apocalyptic number.

It is an amenable number.

2163709797 is a deficient number, since it is larger than the sum of its proper divisors (1005111963).

2163709797 is a wasteful number, since it uses less digits than its factorization.

2163709797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1650472.

The product of its (nonzero) digits is 1000188, while the sum is 51.

The square root of 2163709797 is about 46515.6940934992. The cubic root of 2163709797 is about 1293.4004384635.

The spelling of 2163709797 in words is "two billion, one hundred sixty-three million, seven hundred nine thousand, seven hundred ninety-seven".