1516834849 has 2 divisors, whose sum is σ = 1516834850. Its totient is φ = 1516834848.

The previous prime is 1516834831. The next prime is 1516834853. The reversal of 1516834849 is 9484386151.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1515700624 + 1134225 = 38932^2 + 1065^2 .

It is an emirp because it is prime and its reverse (9484386151) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1516834849 - 2¹³ = 1516826657 is a prime.

It is not a weakly prime, because it can be changed into another prime (1517834849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 758417424 + 758417425.

It is an arithmetic number, because the mean of its divisors is an integer number (758417425).

Almost surely, 2^1516834849 is an apocalyptic number.

It is an amenable number.

1516834849 is a deficient number, since it is larger than the sum of its proper divisors (1).

1516834849 is an equidigital number, since it uses as much as digits as its factorization.

1516834849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 829440, while the sum is 49.

The square root of 1516834849 is about 38946.5640204627. The cubic root of 1516834849 is about 1148.9807854328.

The spelling of 1516834849 in words is "one billion, five hundred sixteen million, eight hundred thirty-four thousand, eight hundred forty-nine".