2449016491 has 2 divisors, whose sum is σ = 2449016492.
Its totient is φ = 2449016490.
The previous prime is 2449016489. The next prime is 2449016497. The reversal of 2449016491 is 1946109442.
2449016491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2449016491 - 21 = 2449016489 is a prime.
Together with 2449016489, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (2449016497) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1224508245 + 1224508246.
It is an arithmetic number, because the mean of its divisors is an integer number (1224508246).
Almost surely, 22449016491 is an apocalyptic number.
2449016491 is a deficient number, since it is larger than the sum of its proper divisors (1).
2449016491 is an equidigital number, since it uses as much as digits as its factorization.
2449016491 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 62208, while the sum is 40.
The square root of 2449016491 is about 49487.5387446173.
The cubic root of 2449016491 is about 1347.9193355081.
The spelling of 2449016491 in words is "two billion, four hundred forty-nine million, sixteen thousand, four hundred ninety-one".