5169819913 has 2 divisors, whose sum is σ = 5169819914. Its totient is φ = 5169819912.

The previous prime is 5169819883. The next prime is 5169819973. The reversal of 5169819913 is 3199189615.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4907282704 + 262537209 = 70052^2 + 16203^2 .

It is a cyclic number.

It is not a de Polignac number, because 5169819913 - 2¹³ = 5169811721 is a prime.

It is not a weakly prime, because it can be changed into another prime (5169819973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2584909956 + 2584909957.

It is an arithmetic number, because the mean of its divisors is an integer number (2584909957).

Almost surely, 2^5169819913 is an apocalyptic number.

It is an amenable number.

5169819913 is a deficient number, since it is larger than the sum of its proper divisors (1).

5169819913 is an equidigital number, since it uses as much as digits as its factorization.

5169819913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 524880, while the sum is 52.

The square root of 5169819913 is about 71901.4597417883. The cubic root of 5169819913 is about 1729.1200167840.

The spelling of 5169819913 in words is "five billion, one hundred sixty-nine million, eight hundred nineteen thousand, nine hundred thirteen".