7366564649 has 2 divisors, whose sum is σ = 7366564650. Its totient is φ = 7366564648.

The previous prime is 7366564631. The next prime is 7366564657. The reversal of 7366564649 is 9464656637.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7149886249 + 216678400 = 84557^2 + 14720^2 .

It is a cyclic number.

It is not a de Polignac number, because 7366564649 - 2¹⁶ = 7366499113 is a prime.

It is a super-3 number, since 3×7366564649³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7366564594 and 7366564603.

It is not a weakly prime, because it can be changed into another prime (7366564679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3683282324 + 3683282325.

It is an arithmetic number, because the mean of its divisors is an integer number (3683282325).

Almost surely, 2^7366564649 is an apocalyptic number.

It is an amenable number.

7366564649 is a deficient number, since it is larger than the sum of its proper divisors (1).

7366564649 is an equidigital number, since it uses as much as digits as its factorization.

7366564649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19595520, while the sum is 56.

The square root of 7366564649 is about 85828.6936228206. The cubic root of 7366564649 is about 1945.7558052417.

The spelling of 7366564649 in words is "seven billion, three hundred sixty-six million, five hundred sixty-four thousand, six hundred forty-nine".