2122645530623 has 4 divisors (see below), whose sum is σ = 2122649240208. Its totient is φ = 2122641821040.

The previous prime is 2122645530619. The next prime is 2122645530641. The reversal of 2122645530623 is 3260355462212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2122645530623 - 2² = 2122645530619 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 (2122645530673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 794411 + ... + 2208252.

It is an arithmetic number, because the mean of its divisors is an integer number (530662310052).

Almost surely, 2^{2122645530623} is an apocalyptic number.

2122645530623 is a deficient number, since it is larger than the sum of its proper divisors (3709585).

2122645530623 is an equidigital number, since it uses as much as digits as its factorization.

2122645530623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3709584.

The product of its (nonzero) digits is 518400, while the sum is 41.

The spelling of 2122645530623 in words is "two trillion, one hundred twenty-two billion, six hundred forty-five million, five hundred thirty thousand, six hundred twenty-three".