275342631644 has 12 divisors (see below), whose sum is σ = 481864748064. Its totient is φ = 137666989344.

The previous prime is 275342631643. The next prime is 275342631649. The reversal of 275342631644 is 446136243572.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275342631643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 936257 + ... + 1194680.

It is an arithmetic number, because the mean of its divisors is an integer number (40155395672).

Almost surely, 2^275342631644 is an apocalyptic number.

It is an amenable number.

275342631644 is a deficient number, since it is larger than the sum of its proper divisors (206522116420).

275342631644 is a wasteful number, since it uses less digits than its factorization.

275342631644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2163244 (or 2163242 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 47.

The spelling of 275342631644 in words is "two hundred seventy-five billion, three hundred forty-two million, six hundred thirty-one thousand, six hundred forty-four".