2621065360223 has 4 divisors (see below), whose sum is σ = 2621392551528. Its totient is φ = 2620738168920.

The previous prime is 2621065360169. The next prime is 2621065360231. The reversal of 2621065360223 is 3220635601262.

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 2621065360223 - 2³⁰ = 2619991618399 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 (2621065360723) 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 3 ways as a sum of consecutive naturals, for example, 163583636 + ... + 163599657.

It is an arithmetic number, because the mean of its divisors is an integer number (655348137882).

Almost surely, 2^{2621065360223} is an apocalyptic number.

2621065360223 is a deficient number, since it is larger than the sum of its proper divisors (327191305).

2621065360223 is an equidigital number, since it uses as much as digits as its factorization.

2621065360223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327191304.

The product of its (nonzero) digits is 155520, while the sum is 38.

The spelling of 2621065360223 in words is "two trillion, six hundred twenty-one billion, sixty-five million, three hundred sixty thousand, two hundred twenty-three".