506784377629 has 2 divisors, whose sum is σ = 506784377630. Its totient is φ = 506784377628.

The previous prime is 506784377609. The next prime is 506784377641. The reversal of 506784377629 is 926773487605.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 461414525625 + 45369852004 = 679275^2 + 213002^2 .

It is a cyclic number.

It is not a de Polignac number, because 506784377629 - 2⁷ = 506784377501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (506784377609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253392188814 + 253392188815.

It is an arithmetic number, because the mean of its divisors is an integer number (253392188815).

Almost surely, 2^506784377629 is an apocalyptic number.

It is an amenable number.

506784377629 is a deficient number, since it is larger than the sum of its proper divisors (1).

506784377629 is an equidigital number, since it uses as much as digits as its factorization.

506784377629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 106686720, while the sum is 64.

The spelling of 506784377629 in words is "five hundred six billion, seven hundred eighty-four million, three hundred seventy-seven thousand, six hundred twenty-nine".