276503213947 has 16 divisors (see below), whose sum is σ = 283093143552. Its totient is φ = 269989584480.

The previous prime is 276503213939. The next prime is 276503213971. The reversal of 276503213947 is 749312305672.

It is not a de Polignac number, because 276503213947 - 2³ = 276503213939 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 276503213947.

It is not an unprimeable number, because it can be changed into a prime (276503213047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9881997 + ... + 9909937.

It is an arithmetic number, because the mean of its divisors is an integer number (17693321472).

Almost surely, 2^276503213947 is an apocalyptic number.

276503213947 is a deficient number, since it is larger than the sum of its proper divisors (6589929605).

276503213947 is a wasteful number, since it uses less digits than its factorization.

276503213947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29298.

The product of its (nonzero) digits is 1905120, while the sum is 49.

The spelling of 276503213947 in words is "two hundred seventy-six billion, five hundred three million, two hundred thirteen thousand, nine hundred forty-seven".