219137141057 has 2 divisors, whose sum is σ = 219137141058. Its totient is φ = 219137141056.

The previous prime is 219137140991. The next prime is 219137141183. The reversal of 219137141057 is 750141731912.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 159329503921 + 59807637136 = 399161^2 + 244556^2 .

It is a cyclic number.

It is not a de Polignac number, because 219137141057 - 2²⁴ = 219120363841 is a prime.

It is not a weakly prime, because it can be changed into another prime (219137141957) 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, 109568570528 + 109568570529.

It is an arithmetic number, because the mean of its divisors is an integer number (109568570529).

Almost surely, 2^219137141057 is an apocalyptic number.

It is an amenable number.

219137141057 is a deficient number, since it is larger than the sum of its proper divisors (1).

219137141057 is an equidigital number, since it uses as much as digits as its factorization.

219137141057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52920, while the sum is 41.

Adding to 219137141057 its reverse (750141731912), we get a palindrome (969278872969).

The spelling of 219137141057 in words is "two hundred nineteen billion, one hundred thirty-seven million, one hundred forty-one thousand, fifty-seven".