276343489137 has 16 divisors (see below), whose sum is σ = 390144952512. Its totient is φ = 173386229760.

The previous prime is 276343489133. The next prime is 276343489151. The reversal of 276343489137 is 731984343672.

It is not a de Polignac number, because 276343489137 - 2² = 276343489133 is a prime.

It is a super-2 number, since 2×276343489137² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (276343489133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1876062 + ... + 2017992.

It is an arithmetic number, because the mean of its divisors is an integer number (24384059532).

Almost surely, 2^276343489137 is an apocalyptic number.

It is an amenable number.

276343489137 is a deficient number, since it is larger than the sum of its proper divisors (113801463375).

276343489137 is a wasteful number, since it uses less digits than its factorization.

276343489137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180128.

The product of its digits is 18289152, while the sum is 57.

The spelling of 276343489137 in words is "two hundred seventy-six billion, three hundred forty-three million, four hundred eighty-nine thousand, one hundred thirty-seven".