1449469858 has 4 divisors (see below), whose sum is σ = 2174204790. Its totient is φ = 724734928.

The previous prime is 1449469849. The next prime is 1449469859. The reversal of 1449469858 is 8589649441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1444988169 + 4481689 = 38013^2 + 2117^2 .

It is not an unprimeable number, because it can be changed into a prime (1449469859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362367463 + ... + 362367466.

Almost surely, 2^1449469858 is an apocalyptic number.

1449469858 is a deficient number, since it is larger than the sum of its proper divisors (724734932).

1449469858 is an equidigital number, since it uses as much as digits as its factorization.

1449469858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724734931.

The product of its digits is 9953280, while the sum is 58.

The square root of 1449469858 is about 38071.9037874388. The cubic root of 1449469858 is about 1131.7132384918.

The spelling of 1449469858 in words is "one billion, four hundred forty-nine million, four hundred sixty-nine thousand, eight hundred fifty-eight".