7264643500273 has 4 divisors (see below), whose sum is σ = 7265487351780. Its totient is φ = 7263799648768.

The previous prime is 7264643500223. The next prime is 7264643500291. The reversal of 7264643500273 is 3720053464627.

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 4058423789809 + 3206219710464 = 2014553^2 + 1790592^2 .

It is a cyclic number.

It is not a de Polignac number, because 7264643500273 - 2¹⁷ = 7264643369201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7264643500223) 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, 421912840 + ... + 421930057.

It is an arithmetic number, because the mean of its divisors is an integer number (1816371837945).

Almost surely, 2^{7264643500273} is an apocalyptic number.

It is an amenable number.

7264643500273 is a deficient number, since it is larger than the sum of its proper divisors (843851507).

7264643500273 is an equidigital number, since it uses as much as digits as its factorization.

7264643500273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843851506.

The product of its (nonzero) digits is 5080320, while the sum is 49.

The spelling of 7264643500273 in words is "seven trillion, two hundred sixty-four billion, six hundred forty-three million, five hundred thousand, two hundred seventy-three".