273040645317 has 16 divisors (see below), whose sum is σ = 404643428928. Its totient is φ = 162356929280.

The previous prime is 273040645309. The next prime is 273040645321. The reversal of 273040645317 is 713546040372.

It is a cyclic number.

It is not a de Polignac number, because 273040645317 - 2³ = 273040645309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (273040645357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78054468 + ... + 78057965.

It is an arithmetic number, because the mean of its divisors is an integer number (25290214308).

Almost surely, 2^273040645317 is an apocalyptic number.

It is an amenable number.

273040645317 is a deficient number, since it is larger than the sum of its proper divisors (131602783611).

273040645317 is a wasteful number, since it uses less digits than its factorization.

273040645317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156112500.

The product of its (nonzero) digits is 423360, while the sum is 42.

Adding to 273040645317 its reverse (713546040372), we get a palindrome (986586685689).

The spelling of 273040645317 in words is "two hundred seventy-three billion, forty million, six hundred forty-five thousand, three hundred seventeen".