276538917963 has 54 divisors (see below), whose sum is σ = 471574376532. Its totient is φ = 143620147440.

The previous prime is 276538917959. The next prime is 276538917971. The reversal of 276538917963 is 369719835672.

It is not a de Polignac number, because 276538917963 - 2² = 276538917959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 276538917894 and 276538917903.

It is not an unprimeable number, because it can be changed into a prime (276538917913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 70132170 + ... + 70136112.

Almost surely, 2^276538917963 is an apocalyptic number.

276538917963 is a deficient number, since it is larger than the sum of its proper divisors (195035458569).

276538917963 is an frugal number, since it uses more digits than its factorization.

276538917963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7925 (or 3964 counting only the distinct ones).

The product of its digits is 102876480, while the sum is 66.

The spelling of 276538917963 in words is "two hundred seventy-six billion, five hundred thirty-eight million, nine hundred seventeen thousand, nine hundred sixty-three".