2663520413 has 4 divisors (see below), whose sum is σ = 2700007068. Its totient is φ = 2627033760.

The previous prime is 2663520383. The next prime is 2663520437. The reversal of 2663520413 is 3140253662.

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 767179204 + 1896341209 = 27698^2 + 43547^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2663520413 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2663520413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2663520463) 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, 18243218 + ... + 18243363.

It is an arithmetic number, because the mean of its divisors is an integer number (675001767).

Almost surely, 2^2663520413 is an apocalyptic number.

It is an amenable number.

2663520413 is a deficient number, since it is larger than the sum of its proper divisors (36486655).

2663520413 is an equidigital number, since it uses as much as digits as its factorization.

2663520413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36486654.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 2663520413 is about 51609.3054884485. The cubic root of 2663520413 is about 1386.1769614626.

The spelling of 2663520413 in words is "two billion, six hundred sixty-three million, five hundred twenty thousand, four hundred thirteen".