4361139191 has 2 divisors, whose sum is σ = 4361139192. Its totient is φ = 4361139190.

The previous prime is 4361139169. The next prime is 4361139193. The reversal of 4361139191 is 1919311634.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4361139191 - 2¹⁰ = 4361138167 is a prime.

It is a super-2 number, since 2×4361139191² = 38039070086552268962, which contains 22 as substring.

Together with 4361139193, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4361139193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2180569595 + 2180569596.

It is an arithmetic number, because the mean of its divisors is an integer number (2180569596).

Almost surely, 2^4361139191 is an apocalyptic number.

4361139191 is a deficient number, since it is larger than the sum of its proper divisors (1).

4361139191 is an equidigital number, since it uses as much as digits as its factorization.

4361139191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17496, while the sum is 38.

The square root of 4361139191 is about 66038.9217885937. The cubic root of 4361139191 is about 1633.8041039992.

The spelling of 4361139191 in words is "four billion, three hundred sixty-one million, one hundred thirty-nine thousand, one hundred ninety-one".