276711949 has 2 divisors, whose sum is σ = 276711950. Its totient is φ = 276711948.

The previous prime is 276711931. The next prime is 276711971. The reversal of 276711949 is 949117672.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 228312100 + 48399849 = 15110^2 + 6957^2 .

It is a cyclic number.

It is not a de Polignac number, because 276711949 - 2¹⁵ = 276679181 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 276711899 and 276711908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (276711749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138355974 + 138355975.

It is an arithmetic number, because the mean of its divisors is an integer number (138355975).

Almost surely, 2^276711949 is an apocalyptic number.

It is an amenable number.

276711949 is a deficient number, since it is larger than the sum of its proper divisors (1).

276711949 is an equidigital number, since it uses as much as digits as its factorization.

276711949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 190512, while the sum is 46.

The square root of 276711949 is about 16634.6610725918. The cubic root of 276711949 is about 651.6423548541.

The spelling of 276711949 in words is "two hundred seventy-six million, seven hundred eleven thousand, nine hundred forty-nine".