276553889983681 has 32 divisors (see below), whose sum is σ = 295225983360000. Its totient is φ = 258157851190272.

The previous prime is 276553889983643. The next prime is 276553889983699. The reversal of 276553889983681 is 186389988355672.

It is a cyclic number.

It is not a de Polignac number, because 276553889983681 - 2¹⁷ = 276553889852609 is a prime.

It is a super-2 number, since 2×276553889983681² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 276553889983592 and 276553889983601.

It is not an unprimeable number, because it can be changed into a prime (276553889983081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2866716115 + ... + 2866812583.

It is an arithmetic number, because the mean of its divisors is an integer number (9225811980000).

Almost surely, 2^{276553889983681} is an apocalyptic number.

It is an amenable number.

276553889983681 is a deficient number, since it is larger than the sum of its proper divisors (18672093376319).

276553889983681 is a wasteful number, since it uses less digits than its factorization.

276553889983681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99361.

The product of its digits is 37623398400, while the sum is 88.

The spelling of 276553889983681 in words is "two hundred seventy-six trillion, five hundred fifty-three billion, eight hundred eighty-nine million, nine hundred eighty-three thousand, six hundred eighty-one".