1650600013 has 2 divisors, whose sum is σ = 1650600014. Its totient is φ = 1650600012.

The previous prime is 1650600011. The next prime is 1650600019. The reversal of 1650600013 is 3100060561.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 897481764 + 753118249 = 29958^2 + 27443^2 .

It is a cyclic number.

It is not a de Polignac number, because 1650600013 - 2¹ = 1650600011 is a prime.

Together with 1650600011, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1650600011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 825300006 + 825300007.

It is an arithmetic number, because the mean of its divisors is an integer number (825300007).

Almost surely, 2^1650600013 is an apocalyptic number.

It is an amenable number.

1650600013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1650600013 is an equidigital number, since it uses as much as digits as its factorization.

1650600013 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 22.

The square root of 1650600013 is about 40627.5770013423. The cubic root of 1650600013 is about 1181.8089684243.

Adding to 1650600013 its reverse (3100060561), we get a palindrome (4750660574).

The spelling of 1650600013 in words is "one billion, six hundred fifty million, six hundred thousand, thirteen".