2651603202113 has 2 divisors, whose sum is σ = 2651603202114. Its totient is φ = 2651603202112.

The previous prime is 2651603202077. The next prime is 2651603202217. The reversal of 2651603202113 is 3112023061562.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2092978504369 + 558624697744 = 1446713^2 + 747412^2 .

It is a cyclic number.

It is not a de Polignac number, because 2651603202113 - 2⁶ = 2651603202049 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2651603202113.

It is not a weakly prime, because it can be changed into another prime (2651603282113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1325801601056 + 1325801601057.

It is an arithmetic number, because the mean of its divisors is an integer number (1325801601057).

Almost surely, 2^{2651603202113} is an apocalyptic number.

It is an amenable number.

2651603202113 is a deficient number, since it is larger than the sum of its proper divisors (1).

2651603202113 is an equidigital number, since it uses as much as digits as its factorization.

2651603202113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 32.

Adding to 2651603202113 its reverse (3112023061562), we get a palindrome (5763626263675).

The spelling of 2651603202113 in words is "two trillion, six hundred fifty-one billion, six hundred three million, two hundred two thousand, one hundred thirteen".