514669821091 has 2 divisors, whose sum is σ = 514669821092. Its totient is φ = 514669821090.

The previous prime is 514669821007. The next prime is 514669821121. The reversal of 514669821091 is 190128966415.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 514669821091 - 2⁹ = 514669820579 is a prime.

It is not a weakly prime, because it can be changed into another prime (514669821691) 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, 257334910545 + 257334910546.

It is an arithmetic number, because the mean of its divisors is an integer number (257334910546).

Almost surely, 2^514669821091 is an apocalyptic number.

514669821091 is a deficient number, since it is larger than the sum of its proper divisors (1).

514669821091 is an equidigital number, since it uses as much as digits as its factorization.

514669821091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 933120, while the sum is 52.

The spelling of 514669821091 in words is "five hundred fourteen billion, six hundred sixty-nine million, eight hundred twenty-one thousand, ninety-one".