6655205413 has 2 divisors, whose sum is σ = 6655205414. Its totient is φ = 6655205412.

The previous prime is 6655205393. The next prime is 6655205443. The reversal of 6655205413 is 3145025566.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4466649889 + 2188555524 = 66833^2 + 46782^2 .

It is a cyclic number.

It is not a de Polignac number, because 6655205413 - 2¹⁷ = 6655074341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6655205443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3327602706 + 3327602707.

It is an arithmetic number, because the mean of its divisors is an integer number (3327602707).

Almost surely, 2^6655205413 is an apocalyptic number.

It is an amenable number.

6655205413 is a deficient number, since it is larger than the sum of its proper divisors (1).

6655205413 is an equidigital number, since it uses as much as digits as its factorization.

6655205413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108000, while the sum is 37.

The square root of 6655205413 is about 81579.4423430315. The cubic root of 6655205413 is about 1880.9928938334.

The spelling of 6655205413 in words is "six billion, six hundred fifty-five million, two hundred five thousand, four hundred thirteen".