5191965101 has 2 divisors, whose sum is σ = 5191965102. Its totient is φ = 5191965100.

The previous prime is 5191965089. The next prime is 5191965179. The reversal of 5191965101 is 1015691915.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4939981225 + 251983876 = 70285^2 + 15874^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5191965101 is a prime.

It is a super-2 number, since 2×5191965101² = 53913003220003880402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5191962101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2595982550 + 2595982551.

It is an arithmetic number, because the mean of its divisors is an integer number (2595982551).

Almost surely, 2^5191965101 is an apocalyptic number.

It is an amenable number.

5191965101 is a deficient number, since it is larger than the sum of its proper divisors (1).

5191965101 is an equidigital number, since it uses as much as digits as its factorization.

5191965101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12150, while the sum is 38.

The square root of 5191965101 is about 72055.2919708192. The cubic root of 5191965101 is about 1731.5854245694.

The spelling of 5191965101 in words is "five billion, one hundred ninety-one million, nine hundred sixty-five thousand, one hundred one".