276540681273 has 8 divisors (see below), whose sum is σ = 368757575328. Its totient is φ = 184342120704.

The previous prime is 276540681257. The next prime is 276540681299. The reversal of 276540681273 is 372186045672.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 276540681273 - 2⁴ = 276540681257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (276540681223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4548136 + ... + 4608537.

It is an arithmetic number, because the mean of its divisors is an integer number (46094696916).

Almost surely, 2^276540681273 is an apocalyptic number.

It is an amenable number.

276540681273 is a deficient number, since it is larger than the sum of its proper divisors (92216894055).

276540681273 is a wasteful number, since it uses less digits than its factorization.

276540681273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9166743.

The product of its (nonzero) digits is 3386880, while the sum is 51.

The spelling of 276540681273 in words is "two hundred seventy-six billion, five hundred forty million, six hundred eighty-one thousand, two hundred seventy-three".