2043109697 has 16 divisors (see below), whose sum is σ = 2154432192. Its totient is φ = 1935057600.

The previous prime is 2043109687. The next prime is 2043109699. The reversal of 2043109697 is 7969013402.

It is a cyclic number.

It is not a de Polignac number, because 2043109697 - 2¹⁸ = 2042847553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2043109699) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 502322 + ... + 506372.

It is an arithmetic number, because the mean of its divisors is an integer number (134652012).

Almost surely, 2^2043109697 is an apocalyptic number.

It is an amenable number.

2043109697 is a deficient number, since it is larger than the sum of its proper divisors (111322495).

2043109697 is a wasteful number, since it uses less digits than its factorization.

2043109697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4448.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 2043109697 is about 45200.7709779380. The cubic root of 2043109697 is about 1268.9092453275.

The spelling of 2043109697 in words is "two billion, forty-three million, one hundred nine thousand, six hundred ninety-seven".