1449871601 has 2 divisors, whose sum is σ = 1449871602. Its totient is φ = 1449871600.

The previous prime is 1449871597. The next prime is 1449871667. The reversal of 1449871601 is 1061789441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1157632576 + 292239025 = 34024^2 + 17095^2 .

It is a cyclic number.

It is not a de Polignac number, because 1449871601 - 2² = 1449871597 is a prime.

It is not a weakly prime, because it can be changed into another prime (1449871681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 724935800 + 724935801.

It is an arithmetic number, because the mean of its divisors is an integer number (724935801).

Almost surely, 2^1449871601 is an apocalyptic number.

It is an amenable number.

1449871601 is a deficient number, since it is larger than the sum of its proper divisors (1).

1449871601 is an equidigital number, since it uses as much as digits as its factorization.

1449871601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 1449871601 is about 38077.1795305272. The cubic root of 1449871601 is about 1131.8177861120.

The spelling of 1449871601 in words is "one billion, four hundred forty-nine million, eight hundred seventy-one thousand, six hundred one".