1655478263 has 2 divisors, whose sum is σ = 1655478264. Its totient is φ = 1655478262.

The previous prime is 1655478257. The next prime is 1655478269. The reversal of 1655478263 is 3628745561.

It is a balanced prime because it is at equal distance from previous prime (1655478257) and next prime (1655478269).

It is a cyclic number.

It is not a de Polignac number, because 1655478263 - 2⁴ = 1655478247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1655478269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 827739131 + 827739132.

It is an arithmetic number, because the mean of its divisors is an integer number (827739132).

Almost surely, 2^1655478263 is an apocalyptic number.

1655478263 is a deficient number, since it is larger than the sum of its proper divisors (1).

1655478263 is an equidigital number, since it uses as much as digits as its factorization.

1655478263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1209600, while the sum is 47.

The square root of 1655478263 is about 40687.5689000953. The cubic root of 1655478263 is about 1182.9720786738.

The spelling of 1655478263 in words is "one billion, six hundred fifty-five million, four hundred seventy-eight thousand, two hundred sixty-three".