1864112049 has 28 divisors (see below), whose sum is σ = 2859935056. Its totient is φ = 1213819992.

The previous prime is 1864112039. The next prime is 1864112069. The reversal of 1864112049 is 9402114681.

1864112049 is a `hidden beast` number, since 1 + 8 + 641 + 1 + 2 + 0 + 4 + 9 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-1864112049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1864112039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 1614 + ... + 61080.

Almost surely, 2^1864112049 is an apocalyptic number.

It is an amenable number.

1864112049 is a deficient number, since it is larger than the sum of its proper divisors (995823007).

1864112049 is an frugal number, since it uses more digits than its factorization.

1864112049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59528 (or 59513 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 1864112049 is about 43175.3639127686. The cubic root of 1864112049 is about 1230.7145580334.

The spelling of 1864112049 in words is "one billion, eight hundred sixty-four million, one hundred twelve thousand, forty-nine".