2813746505 has 4 divisors (see below), whose sum is σ = 3376495812. Its totient is φ = 2250997200.

The previous prime is 2813746501. The next prime is 2813746549. The reversal of 2813746505 is 5056473182.

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 1165061689 + 1648684816 = 34133^2 + 40604^2 .

It is not a de Polignac number, because 2813746505 - 2² = 2813746501 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2813746501) 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, 281374646 + ... + 281374655.

It is an arithmetic number, because the mean of its divisors is an integer number (844123953).

Almost surely, 2^2813746505 is an apocalyptic number.

It is an amenable number.

2813746505 is a deficient number, since it is larger than the sum of its proper divisors (562749307).

2813746505 is an equidigital number, since it uses as much as digits as its factorization.

2813746505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562749306.

The product of its (nonzero) digits is 201600, while the sum is 41.

The square root of 2813746505 is about 53044.7594489786. The cubic root of 2813746505 is about 1411.7625469420.

The spelling of 2813746505 in words is "two billion, eight hundred thirteen million, seven hundred forty-six thousand, five hundred five".