5163661213 has 2 divisors, whose sum is σ = 5163661214. Its totient is φ = 5163661212.

The previous prime is 5163661201. The next prime is 5163661241. The reversal of 5163661213 is 3121663615.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4796670564 + 366990649 = 69258^2 + 19157^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5163661213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5163661313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2581830606 + 2581830607.

It is an arithmetic number, because the mean of its divisors is an integer number (2581830607).

Almost surely, 2^5163661213 is an apocalyptic number.

It is an amenable number.

5163661213 is a deficient number, since it is larger than the sum of its proper divisors (1).

5163661213 is an equidigital number, since it uses as much as digits as its factorization.

5163661213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19440, while the sum is 34.

The square root of 5163661213 is about 71858.6196151860. The cubic root of 5163661213 is about 1728.4331222613.

The spelling of 5163661213 in words is "five billion, one hundred sixty-three million, six hundred sixty-one thousand, two hundred thirteen".