276091981612 has 6 divisors (see below), whose sum is σ = 483160967828. Its totient is φ = 138045990804.

The previous prime is 276091981609. The next prime is 276091981621. The reversal of 276091981612 is 216189190672.

It is a super-2 number, since 2×276091981612² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 276091981612.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34511497698 + ... + 34511497705.

Almost surely, 2^276091981612 is an apocalyptic number.

It is an amenable number.

276091981612 is a deficient number, since it is larger than the sum of its proper divisors (207068986216).

276091981612 is a wasteful number, since it uses less digits than its factorization.

276091981612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69022995407 (or 69022995405 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 52.

The spelling of 276091981612 in words is "two hundred seventy-six billion, ninety-one million, nine hundred eighty-one thousand, six hundred twelve".