2612803345 has 4 divisors (see below), whose sum is σ = 3135364020. Its totient is φ = 2090242672.

The previous prime is 2612803339. The next prime is 2612803363. The reversal of 2612803345 is 5433082162.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5433082162 = 2 ⋅2716541081.

It can be written as a sum of positive squares in 2 ways, for example, as 1383319249 + 1229484096 = 37193^2 + 35064^2 .

It is a cyclic number.

It is not a de Polignac number, because 2612803345 - 2⁷ = 2612803217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2612803345.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261280330 + ... + 261280339.

It is an arithmetic number, because the mean of its divisors is an integer number (783841005).

Almost surely, 2^2612803345 is an apocalyptic number.

It is an amenable number.

2612803345 is a deficient number, since it is larger than the sum of its proper divisors (522560675).

2612803345 is an equidigital number, since it uses as much as digits as its factorization.

2612803345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522560674.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 2612803345 is about 51115.5880823062. The cubic root of 2612803345 is about 1377.3222851907.

The spelling of 2612803345 in words is "two billion, six hundred twelve million, eight hundred three thousand, three hundred forty-five".