1748669449 has 2 divisors, whose sum is σ = 1748669450. Its totient is φ = 1748669448.

The previous prime is 1748669443. The next prime is 1748669467. The reversal of 1748669449 is 9449668471.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1241293824 + 507375625 = 35232^2 + 22525^2 .

It is a cyclic number.

It is not a de Polignac number, because 1748669449 - 2¹⁷ = 1748538377 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1748669393 and 1748669402.

It is not a weakly prime, because it can be changed into another prime (1748669443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 874334724 + 874334725.

It is an arithmetic number, because the mean of its divisors is an integer number (874334725).

Almost surely, 2^1748669449 is an apocalyptic number.

It is an amenable number.

1748669449 is a deficient number, since it is larger than the sum of its proper divisors (1).

1748669449 is an equidigital number, since it uses as much as digits as its factorization.

1748669449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10450944, while the sum is 58.

The square root of 1748669449 is about 41817.0951764945. The cubic root of 1748669449 is about 1204.7656434901.

The spelling of 1748669449 in words is "one billion, seven hundred forty-eight million, six hundred sixty-nine thousand, four hundred forty-nine".