57335116221949 has 2 divisors, whose sum is σ = 57335116221950. Its totient is φ = 57335116221948.

The previous prime is 57335116221923. The next prime is 57335116222009. The reversal of 57335116221949 is 94912261153375.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52474347990724 + 4860768231225 = 7243918^2 + 2204715^2 .

It is a cyclic number.

It is not a de Polignac number, because 57335116221949 - 2⁵ = 57335116221917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57335116221893 and 57335116221902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57335116221349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28667558110974 + 28667558110975.

It is an arithmetic number, because the mean of its divisors is an integer number (28667558110975).

Almost surely, 2^{57335116221949} is an apocalyptic number.

It is an amenable number.

57335116221949 is a deficient number, since it is larger than the sum of its proper divisors (1).

57335116221949 is an equidigital number, since it uses as much as digits as its factorization.

57335116221949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12247200, while the sum is 58.

The spelling of 57335116221949 in words is "fifty-seven trillion, three hundred thirty-five billion, one hundred sixteen million, two hundred twenty-one thousand, nine hundred forty-nine".