2663404313 has 2 divisors, whose sum is σ = 2663404314. Its totient is φ = 2663404312.

The previous prime is 2663404279. The next prime is 2663404397. The reversal of 2663404313 is 3134043662.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1863476224 + 799928089 = 43168^2 + 28283^2 .

It is a cyclic number.

It is not a de Polignac number, because 2663404313 - 2⁸ = 2663404057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2663404313.

It is not a weakly prime, because it can be changed into another prime (2663404213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1331702156 + 1331702157.

It is an arithmetic number, because the mean of its divisors is an integer number (1331702157).

Almost surely, 2^2663404313 is an apocalyptic number.

It is an amenable number.

2663404313 is a deficient number, since it is larger than the sum of its proper divisors (1).

2663404313 is an equidigital number, since it uses as much as digits as its factorization.

2663404313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 32.

The square root of 2663404313 is about 51608.1806790358. The cubic root of 2663404313 is about 1386.1568205139.

Adding to 2663404313 its reverse (3134043662), we get a palindrome (5797447975).

The spelling of 2663404313 in words is "two billion, six hundred sixty-three million, four hundred four thousand, three hundred thirteen".