7366564643 has 4 divisors (see below), whose sum is σ = 7370004288. Its totient is φ = 7363125000.

The previous prime is 7366564631. The next prime is 7366564649. The reversal of 7366564643 is 3464656637.

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

It is a cyclic number.

It is not a de Polignac number, because 7366564643 - 2²² = 7362370339 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7366564591 and 7366564600.

It is not an unprimeable number, because it can be changed into a prime (7366564649) 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, 1716608 + ... + 1720893.

It is an arithmetic number, because the mean of its divisors is an integer number (1842501072).

Almost surely, 2^7366564643 is an apocalyptic number.

7366564643 is a deficient number, since it is larger than the sum of its proper divisors (3439645).

7366564643 is a wasteful number, since it uses less digits than its factorization.

7366564643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3439644.

The product of its digits is 6531840, while the sum is 50.

The square root of 7366564643 is about 85828.6935878672. The cubic root of 7366564643 is about 1945.7558047135.

The spelling of 7366564643 in words is "seven billion, three hundred sixty-six million, five hundred sixty-four thousand, six hundred forty-three".