2279145523201 has 4 divisors (see below), whose sum is σ = 2317775108400. Its totient is φ = 2240515938004.

The previous prime is 2279145523181. The next prime is 2279145523243. The reversal of 2279145523201 is 1023255419722.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2279145523201 - 2²⁵ = 2279111968769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2279145523301) 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, 19314792511 + ... + 19314792628.

It is an arithmetic number, because the mean of its divisors is an integer number (579443777100).

Almost surely, 2^{2279145523201} is an apocalyptic number.

It is an amenable number.

2279145523201 is a deficient number, since it is larger than the sum of its proper divisors (38629585199).

2279145523201 is an equidigital number, since it uses as much as digits as its factorization.

2279145523201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38629585198.

The product of its (nonzero) digits is 302400, while the sum is 43.

The spelling of 2279145523201 in words is "two trillion, two hundred seventy-nine billion, one hundred forty-five million, five hundred twenty-three thousand, two hundred one".