6553465561243 has 2 divisors, whose sum is σ = 6553465561244. Its totient is φ = 6553465561242.

The previous prime is 6553465561193. The next prime is 6553465561259. The reversal of 6553465561243 is 3421655643556.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6553465561243 - 2²⁵ = 6553432006811 is a prime.

It is not a weakly prime, because it can be changed into another prime (6553465561343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3276732780621 + 3276732780622.

It is an arithmetic number, because the mean of its divisors is an integer number (3276732780622).

Almost surely, 2^{6553465561243} is an apocalyptic number.

6553465561243 is a deficient number, since it is larger than the sum of its proper divisors (1).

6553465561243 is an equidigital number, since it uses as much as digits as its factorization.

6553465561243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880000, while the sum is 55.

The spelling of 6553465561243 in words is "six trillion, five hundred fifty-three billion, four hundred sixty-five million, five hundred sixty-one thousand, two hundred forty-three".