7646296321 has 4 divisors (see below), whose sum is σ = 7653586500. Its totient is φ = 7639006144.

The previous prime is 7646296313. The next prime is 7646296327. The reversal of 7646296321 is 1236926467.

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 4216554225 + 3429742096 = 64935^2 + 58564^2 .

It is a cyclic number.

It is not a de Polignac number, because 7646296321 - 2³ = 7646296313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7646296327) 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, 3643516 + ... + 3645613.

It is an arithmetic number, because the mean of its divisors is an integer number (1913396625).

Almost surely, 2^7646296321 is an apocalyptic number.

It is an amenable number.

7646296321 is a deficient number, since it is larger than the sum of its proper divisors (7290179).

7646296321 is a wasteful number, since it uses less digits than its factorization.

7646296321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7290178.

The product of its digits is 653184, while the sum is 46.

The square root of 7646296321 is about 87443.1033358263. The cubic root of 7646296321 is about 1970.0793015222.

The spelling of 7646296321 in words is "seven billion, six hundred forty-six million, two hundred ninety-six thousand, three hundred twenty-one".