57348421609 has 2 divisors, whose sum is σ = 57348421610. Its totient is φ = 57348421608.

The previous prime is 57348421567. The next prime is 57348421661. The reversal of 57348421609 is 90612484375.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44580099600 + 12768322009 = 211140^2 + 112997^2 .

It is a cyclic number.

It is not a de Polignac number, because 57348421609 - 2²⁵ = 57314867177 is a prime.

It is a super-2 number, since 2×57348421609² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (57348421699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28674210804 + 28674210805.

It is an arithmetic number, because the mean of its divisors is an integer number (28674210805).

It is a 1-persistent number, because it is pandigital, but 2⋅57348421609 = 114696843218 is not.

Almost surely, 2^57348421609 is an apocalyptic number.

It is an amenable number.

57348421609 is a deficient number, since it is larger than the sum of its proper divisors (1).

57348421609 is an equidigital number, since it uses as much as digits as its factorization.

57348421609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 57348421609 in words is "fifty-seven billion, three hundred forty-eight million, four hundred twenty-one thousand, six hundred nine".