2279563140073 has 4 divisors (see below), whose sum is σ = 2294862221700. Its totient is φ = 2264264058448.

The previous prime is 2279563140037. The next prime is 2279563140077. The reversal of 2279563140073 is 3700413659722.

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

It can be written as a sum of positive squares in 2 ways, for example, as 191084385424 + 2088478754649 = 437132^2 + 1445157^2 .

It is a cyclic number.

It is not a de Polignac number, because 2279563140073 - 2²⁹ = 2279026269161 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2279563139999 and 2279563140026.

It is not an unprimeable number, because it can be changed into a prime (2279563140077) 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, 7649540590 + ... + 7649540887.

It is an arithmetic number, because the mean of its divisors is an integer number (573715555425).

Almost surely, 2^{2279563140073} is an apocalyptic number.

It is an amenable number.

2279563140073 is a deficient number, since it is larger than the sum of its proper divisors (15299081627).

2279563140073 is a wasteful number, since it uses less digits than its factorization.

2279563140073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15299081626.

The product of its (nonzero) digits is 1905120, while the sum is 49.

Adding to 2279563140073 its reverse (3700413659722), we get a palindrome (5979976799795).

The spelling of 2279563140073 in words is "two trillion, two hundred seventy-nine billion, five hundred sixty-three million, one hundred forty thousand, seventy-three".