506769679489 has 2 divisors, whose sum is σ = 506769679490. Its totient is φ = 506769679488.

The previous prime is 506769679483. The next prime is 506769679501. The reversal of 506769679489 is 984976967605.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 488647135089 + 18122544400 = 699033^2 + 134620^2 .

It is a cyclic number.

It is not a de Polignac number, because 506769679489 - 2¹⁹ = 506769155201 is a prime.

It is a super-2 number, since 2×506769679489² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (506769679483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253384839744 + 253384839745.

It is an arithmetic number, because the mean of its divisors is an integer number (253384839745).

Almost surely, 2^506769679489 is an apocalyptic number.

It is an amenable number.

506769679489 is a deficient number, since it is larger than the sum of its proper divisors (1).

506769679489 is an equidigital number, since it uses as much as digits as its factorization.

506769679489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1234517760, while the sum is 76.

The spelling of 506769679489 in words is "five hundred six billion, seven hundred sixty-nine million, six hundred seventy-nine thousand, four hundred eighty-nine".