6554765897 has 2 divisors, whose sum is σ = 6554765898. Its totient is φ = 6554765896.

The previous prime is 6554765881. The next prime is 6554765923. The reversal of 6554765897 is 7985674556.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6370593856 + 184172041 = 79816^2 + 13571^2 .

It is a cyclic number.

It is not a de Polignac number, because 6554765897 - 2⁴ = 6554765881 is a prime.

It is not a weakly prime, because it can be changed into another prime (6554765807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3277382948 + 3277382949.

It is an arithmetic number, because the mean of its divisors is an integer number (3277382949).

Almost surely, 2^6554765897 is an apocalyptic number.

It is an amenable number.

6554765897 is a deficient number, since it is larger than the sum of its proper divisors (1).

6554765897 is an equidigital number, since it uses as much as digits as its factorization.

6554765897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63504000, while the sum is 62.

The square root of 6554765897 is about 80961.5087371771. The cubic root of 6554765897 is about 1871.4823192976.

The spelling of 6554765897 in words is "six billion, five hundred fifty-four million, seven hundred sixty-five thousand, eight hundred ninety-seven".