2620670313 has 4 divisors (see below), whose sum is σ = 3494227088. Its totient is φ = 1747113540.

The previous prime is 2620670293. The next prime is 2620670329. The reversal of 2620670313 is 3130760262.

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 de Polignac number, because none of the positive numbers 2^k-2620670313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2620670333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 436778383 + ... + 436778388.

It is an arithmetic number, because the mean of its divisors is an integer number (873556772).

Almost surely, 2^2620670313 is an apocalyptic number.

It is an amenable number.

2620670313 is a deficient number, since it is larger than the sum of its proper divisors (873556775).

2620670313 is an equidigital number, since it uses as much as digits as its factorization.

2620670313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873556774.

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 2620670313 is about 51192.4829735773. The cubic root of 2620670313 is about 1378.7032404637.

The spelling of 2620670313 in words is "two billion, six hundred twenty million, six hundred seventy thousand, three hundred thirteen".