276462643 has 2 divisors, whose sum is σ = 276462644. Its totient is φ = 276462642.

The previous prime is 276462629. The next prime is 276462647. The reversal of 276462643 is 346264672.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 276462643 - 2⁵ = 276462611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 276462596 and 276462605.

It is not a weakly prime, because it can be changed into another prime (276462647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138231321 + 138231322.

It is an arithmetic number, because the mean of its divisors is an integer number (138231322).

Almost surely, 2^276462643 is an apocalyptic number.

276462643 is a deficient number, since it is larger than the sum of its proper divisors (1).

276462643 is an equidigital number, since it uses as much as digits as its factorization.

276462643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 290304, while the sum is 40.

The square root of 276462643 is about 16627.1658138120. The cubic root of 276462643 is about 651.4465951319.

The spelling of 276462643 in words is "two hundred seventy-six million, four hundred sixty-two thousand, six hundred forty-three".