7649147273 has 4 divisors (see below), whose sum is σ = 7650192660. Its totient is φ = 7648101888.

The previous prime is 7649147269. The next prime is 7649147279. The reversal of 7649147273 is 3727419467.

It is a happy number.

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 5988747769 + 1660399504 = 77387^2 + 40748^2 .

It is a cyclic number.

It is not a de Polignac number, because 7649147273 - 2² = 7649147269 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7649147279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 511640 + ... + 526377.

It is an arithmetic number, because the mean of its divisors is an integer number (1912548165).

Almost surely, 2^7649147273 is an apocalyptic number.

It is an amenable number.

7649147273 is a deficient number, since it is larger than the sum of its proper divisors (1045387).

7649147273 is a wasteful number, since it uses less digits than its factorization.

7649147273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045386.

The product of its digits is 1778112, while the sum is 50.

The square root of 7649147273 is about 87459.4035710283. The cubic root of 7649147273 is about 1970.3241217322.

The spelling of 7649147273 in words is "seven billion, six hundred forty-nine million, one hundred forty-seven thousand, two hundred seventy-three".