1448429813 has 2 divisors, whose sum is σ = 1448429814. Its totient is φ = 1448429812.

The previous prime is 1448429777. The next prime is 1448429849. The reversal of 1448429813 is 3189248441.

It is a balanced prime because it is at equal distance from previous prime (1448429777) and next prime (1448429849).

It can be written as a sum of positive squares in only one way, i.e., 1080634129 + 367795684 = 32873^2 + 19178^2 .

It is a cyclic number.

It is not a de Polignac number, because 1448429813 - 2⁸ = 1448429557 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1448425813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 724214906 + 724214907.

It is an arithmetic number, because the mean of its divisors is an integer number (724214907).

Almost surely, 2^1448429813 is an apocalyptic number.

It is an amenable number.

1448429813 is a deficient number, since it is larger than the sum of its proper divisors (1).

1448429813 is an equidigital number, since it uses as much as digits as its factorization.

1448429813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 221184, while the sum is 44.

The square root of 1448429813 is about 38058.2423792797. The cubic root of 1448429813 is about 1131.4424925310.

The spelling of 1448429813 in words is "one billion, four hundred forty-eight million, four hundred twenty-nine thousand, eight hundred thirteen".