654318902057 has 2 divisors, whose sum is σ = 654318902058. Its totient is φ = 654318902056.

The previous prime is 654318902021. The next prime is 654318902093. The reversal of 654318902057 is 750209813456.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (654318902021) and next prime (654318902093).

It can be written as a sum of positive squares in only one way, i.e., 652235527321 + 2083374736 = 807611^2 + 45644^2 .

It is a cyclic number.

It is not a de Polignac number, because 654318902057 - 2¹² = 654318897961 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 654318901996 and 654318902014.

It is not a weakly prime, because it can be changed into another prime (654318902357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327159451028 + 327159451029.

It is an arithmetic number, because the mean of its divisors is an integer number (327159451029).

It is a 1-persistent number, because it is pandigital, but 2⋅654318902057 = 1308637804114 is not.

Almost surely, 2^654318902057 is an apocalyptic number.

It is an amenable number.

654318902057 is a deficient number, since it is larger than the sum of its proper divisors (1).

654318902057 is an equidigital number, since it uses as much as digits as its factorization.

654318902057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1814400, while the sum is 50.

The spelling of 654318902057 in words is "six hundred fifty-four billion, three hundred eighteen million, nine hundred two thousand, fifty-seven".