2122145653 has 8 divisors (see below), whose sum is σ = 2169861120. Its totient is φ = 2074847280.

The previous prime is 2122145639. The next prime is 2122145671. The reversal of 2122145653 is 3565412212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2122145653 - 2⁵ = 2122145621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122145633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93973 + ... + 114346.

It is an arithmetic number, because the mean of its divisors is an integer number (271232640).

Almost surely, 2^2122145653 is an apocalyptic number.

It is an amenable number.

2122145653 is a deficient number, since it is larger than the sum of its proper divisors (47715467).

2122145653 is a wasteful number, since it uses less digits than its factorization.

2122145653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208547.

The product of its digits is 14400, while the sum is 31.

The square root of 2122145653 is about 46066.7521429501. The cubic root of 2122145653 is about 1285.0649036848.

Adding to 2122145653 its reverse (3565412212), we get a palindrome (5687557865).

The spelling of 2122145653 in words is "two billion, one hundred twenty-two million, one hundred forty-five thousand, six hundred fifty-three".