1449469849 has 2 divisors, whose sum is σ = 1449469850. Its totient is φ = 1449469848.

The previous prime is 1449469837. The next prime is 1449469859. The reversal of 1449469849 is 9489649441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1318779225 + 130690624 = 36315^2 + 11432^2 .

It is a cyclic number.

It is not a de Polignac number, because 1449469849 - 2²⁷ = 1315252121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1449469793 and 1449469802.

It is not a weakly prime, because it can be changed into another prime (1449469859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 724734924 + 724734925.

It is an arithmetic number, because the mean of its divisors is an integer number (724734925).

Almost surely, 2^1449469849 is an apocalyptic number.

It is an amenable number.

1449469849 is a deficient number, since it is larger than the sum of its proper divisors (1).

1449469849 is an equidigital number, since it uses as much as digits as its factorization.

1449469849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8957952, while the sum is 58.

The square root of 1449469849 is about 38071.9036692414. The cubic root of 1449469849 is about 1131.7132361494.

The spelling of 1449469849 in words is "one billion, four hundred forty-nine million, four hundred sixty-nine thousand, eight hundred forty-nine".