2106424565 has 16 divisors (see below), whose sum is σ = 2904958080. Its totient is φ = 1436331840.

The previous prime is 2106424561. The next prime is 2106424601. The reversal of 2106424565 is 5654246012.

It is not a de Polignac number, because 2106424565 - 2² = 2106424561 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2106424561) 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, 161846 + ... + 174375.

It is an arithmetic number, because the mean of its divisors is an integer number (181559880).

Almost surely, 2^2106424565 is an apocalyptic number.

It is an amenable number.

2106424565 is a deficient number, since it is larger than the sum of its proper divisors (798533515).

2106424565 is a wasteful number, since it uses less digits than its factorization.

2106424565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336412.

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 2106424565 is about 45895.8011696059. The cubic root of 2106424565 is about 1281.8837345875.

The spelling of 2106424565 in words is "two billion, one hundred six million, four hundred twenty-four thousand, five hundred sixty-five".