276265635065 has 24 divisors (see below), whose sum is σ = 386411135040. Its totient is φ = 189062589408.

The previous prime is 276265635043. The next prime is 276265635083. The reversal of 276265635065 is 560536562672.

It is not a de Polignac number, because 276265635065 - 2²⁰ = 276264586489 is a prime.

It is a super-2 number, since 2×276265635065² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 276265634998 and 276265635016.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 997655 + ... + 1244124.

It is an arithmetic number, because the mean of its divisors is an integer number (16100463960).

Almost surely, 2^276265635065 is an apocalyptic number.

It is an amenable number.

276265635065 is a deficient number, since it is larger than the sum of its proper divisors (110145499975).

276265635065 is a wasteful number, since it uses less digits than its factorization.

276265635065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2242301 (or 2242294 counting only the distinct ones).

The product of its (nonzero) digits is 13608000, while the sum is 53.

The spelling of 276265635065 in words is "two hundred seventy-six billion, two hundred sixty-five million, six hundred thirty-five thousand, sixty-five".