1448916187 has 2 divisors, whose sum is σ = 1448916188. Its totient is φ = 1448916186.

The previous prime is 1448916151. The next prime is 1448916221. The reversal of 1448916187 is 7816198441.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (7816198441) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1448916187 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1448916187.

It is not a weakly prime, because it can be changed into another prime (1448916107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 724458093 + 724458094.

It is an arithmetic number, because the mean of its divisors is an integer number (724458094).

Almost surely, 2^1448916187 is an apocalyptic number.

1448916187 is a deficient number, since it is larger than the sum of its proper divisors (1).

1448916187 is an equidigital number, since it uses as much as digits as its factorization.

1448916187 is an evil number, because the sum of its binary digits is even.

The product of its digits is 387072, while the sum is 49.

The square root of 1448916187 is about 38064.6317071373. The cubic root of 1448916187 is about 1131.5691222144.

The spelling of 1448916187 in words is "one billion, four hundred forty-eight million, nine hundred sixteen thousand, one hundred eighty-seven".