4663343551261 has 2 divisors, whose sum is σ = 4663343551262. Its totient is φ = 4663343551260.

The previous prime is 4663343551249. The next prime is 4663343551291. The reversal of 4663343551261 is 1621553433664.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2689616400025 + 1973727151236 = 1640005^2 + 1404894^2 .

It is a cyclic number.

It is not a de Polignac number, because 4663343551261 - 2²³ = 4663335162653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4663343551201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2331671775630 + 2331671775631.

It is an arithmetic number, because the mean of its divisors is an integer number (2331671775631).

Almost surely, 2^{4663343551261} is an apocalyptic number.

It is an amenable number.

4663343551261 is a deficient number, since it is larger than the sum of its proper divisors (1).

4663343551261 is an equidigital number, since it uses as much as digits as its factorization.

4663343551261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4665600, while the sum is 49.

The spelling of 4663343551261 in words is "four trillion, six hundred sixty-three billion, three hundred forty-three million, five hundred fifty-one thousand, two hundred sixty-one".