273240664013 has 4 divisors (see below), whose sum is σ = 273254860668. Its totient is φ = 273226467360.

The previous prime is 273240663979. The next prime is 273240664051. The reversal of 273240664013 is 310466042372.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 66903960964 + 206336703049 = 258658^2 + 454243^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-273240664013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (273240664313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7069418 + ... + 7107963.

It is an arithmetic number, because the mean of its divisors is an integer number (68313715167).

Almost surely, 2^273240664013 is an apocalyptic number.

It is an amenable number.

273240664013 is a deficient number, since it is larger than the sum of its proper divisors (14196655).

273240664013 is a wasteful number, since it uses less digits than its factorization.

273240664013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14196654.

The product of its (nonzero) digits is 145152, while the sum is 38.

The spelling of 273240664013 in words is "two hundred seventy-three billion, two hundred forty million, six hundred sixty-four thousand, thirteen".