1413871649 has 2 divisors, whose sum is σ = 1413871650. Its totient is φ = 1413871648.

The previous prime is 1413871637. The next prime is 1413871651. The reversal of 1413871649 is 9461783141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 970011025 + 443860624 = 31145^2 + 21068^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1413871649 is a prime.

Together with 1413871651, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1413871699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 706935824 + 706935825.

It is an arithmetic number, because the mean of its divisors is an integer number (706935825).

Almost surely, 2^1413871649 is an apocalyptic number.

It is an amenable number.

1413871649 is a deficient number, since it is larger than the sum of its proper divisors (1).

1413871649 is an equidigital number, since it uses as much as digits as its factorization.

1413871649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 44.

The square root of 1413871649 is about 37601.4846648374. The cubic root of 1413871649 is about 1122.3715820770.

The spelling of 1413871649 in words is "one billion, four hundred thirteen million, eight hundred seventy-one thousand, six hundred forty-nine".