2613300661 has 4 divisors (see below), whose sum is σ = 2617029324. Its totient is φ = 2609572000.

The previous prime is 2613300659. The next prime is 2613300667. The reversal of 2613300661 is 1660033162.

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 1409627025 + 1203673636 = 37545^2 + 34694^2 .

It is a cyclic number.

It is not a de Polignac number, because 2613300661 - 2¹ = 2613300659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2613300667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1863280 + ... + 1864681.

It is an arithmetic number, because the mean of its divisors is an integer number (654257331).

Almost surely, 2^2613300661 is an apocalyptic number.

It is an amenable number.

2613300661 is a deficient number, since it is larger than the sum of its proper divisors (3728663).

2613300661 is an equidigital number, since it uses as much as digits as its factorization.

2613300661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3728662.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 2613300661 is about 51120.4524725672. The cubic root of 2613300661 is about 1377.4096652783.

The spelling of 2613300661 in words is "two billion, six hundred thirteen million, three hundred thousand, six hundred sixty-one".