506650155431269 has 2 divisors, whose sum is σ = 506650155431270. Its totient is φ = 506650155431268.

The previous prime is 506650155431243. The next prime is 506650155431291. The reversal of 506650155431269 is 962134551056605.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 449594264435044 + 57055890996225 = 21203638^2 + 7553535^2 .

It is a cyclic number.

It is not a de Polignac number, because 506650155431269 - 2⁷ = 506650155431141 is a prime.

It is a super-2 number, since 2×506650155431269² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (506650155431569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253325077715634 + 253325077715635.

It is an arithmetic number, because the mean of its divisors is an integer number (253325077715635).

Almost surely, 2^{506650155431269} is an apocalyptic number.

It is an amenable number.

506650155431269 is a deficient number, since it is larger than the sum of its proper divisors (1).

506650155431269 is an equidigital number, since it uses as much as digits as its factorization.

506650155431269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29160000, while the sum is 58.

The spelling of 506650155431269 in words is "five hundred six trillion, six hundred fifty billion, one hundred fifty-five million, four hundred thirty-one thousand, two hundred sixty-nine".