276328950109 has 2 divisors, whose sum is σ = 276328950110. Its totient is φ = 276328950108.

The previous prime is 276328950101. The next prime is 276328950113. The reversal of 276328950109 is 901059823672.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 220669760025 + 55659190084 = 469755^2 + 235922^2 .

It is a cyclic number.

It is not a de Polignac number, because 276328950109 - 2³ = 276328950101 is a prime.

It is a super-2 number, since 2×276328950109² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (276328950101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138164475054 + 138164475055.

It is an arithmetic number, because the mean of its divisors is an integer number (138164475055).

Almost surely, 2^276328950109 is an apocalyptic number.

It is an amenable number.

276328950109 is a deficient number, since it is larger than the sum of its proper divisors (1).

276328950109 is an equidigital number, since it uses as much as digits as its factorization.

276328950109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1632960, while the sum is 52.

The spelling of 276328950109 in words is "two hundred seventy-six billion, three hundred twenty-eight million, nine hundred fifty thousand, one hundred nine".