6610501013 has 2 divisors, whose sum is σ = 6610501014. Its totient is φ = 6610501012.

The previous prime is 6610500997. The next prime is 6610501021. The reversal of 6610501013 is 3101050166.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6610015204 + 485809 = 81302^2 + 697^2 .

It is a cyclic number.

It is not a de Polignac number, because 6610501013 - 2⁴ = 6610500997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6610501013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6610501043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3305250506 + 3305250507.

It is an arithmetic number, because the mean of its divisors is an integer number (3305250507).

Almost surely, 2^6610501013 is an apocalyptic number.

It is an amenable number.

6610501013 is a deficient number, since it is larger than the sum of its proper divisors (1).

6610501013 is an equidigital number, since it uses as much as digits as its factorization.

6610501013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 6610501013 is about 81304.9876268363. The cubic root of 6610501013 is about 1876.7717546590.

Adding to 6610501013 its reverse (3101050166), we get a palindrome (9711551179).

The spelling of 6610501013 in words is "six billion, six hundred ten million, five hundred one thousand, thirteen".