1864449472 has 14 divisors (see below), whose sum is σ = 3699767048. Its totient is φ = 932224704.

The previous prime is 1864449463. The next prime is 1864449479. The reversal of 1864449472 is 2749444681.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1864449479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14565948 + ... + 14566075.

Almost surely, 2^1864449472 is an apocalyptic number.

It is an amenable number.

1864449472 is a deficient number, since it is larger than the sum of its proper divisors (1835317576).

1864449472 is an equidigital number, since it uses as much as digits as its factorization.

1864449472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29132035 (or 29132025 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 49.

The square root of 1864449472 is about 43179.2713231708. The cubic root of 1864449472 is about 1230.7888107847.

The spelling of 1864449472 in words is "one billion, eight hundred sixty-four million, four hundred forty-nine thousand, four hundred seventy-two".