7646520601 has 2 divisors, whose sum is σ = 7646520602. Its totient is φ = 7646520600.

The previous prime is 7646520599. The next prime is 7646520647. The reversal of 7646520601 is 1060256467.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5799584025 + 1846936576 = 76155^2 + 42976^2 .

It is a cyclic number.

It is not a de Polignac number, because 7646520601 - 2¹ = 7646520599 is a prime.

Together with 7646520599, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (7646520691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3823260300 + 3823260301.

It is an arithmetic number, because the mean of its divisors is an integer number (3823260301).

Almost surely, 2^7646520601 is an apocalyptic number.

It is an amenable number.

7646520601 is a deficient number, since it is larger than the sum of its proper divisors (1).

7646520601 is an equidigital number, since it uses as much as digits as its factorization.

7646520601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 7646520601 is about 87444.3857603220. The cubic root of 7646520601 is about 1970.0985633560.

The spelling of 7646520601 in words is "seven billion, six hundred forty-six million, five hundred twenty thousand, six hundred one".