899924743912 has 32 divisors (see below), whose sum is σ = 1735407829800. Its totient is φ = 437183633664.

The previous prime is 899924743859. The next prime is 899924743951. The reversal of 899924743912 is 219347429998.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 878107681476 + 21817062436 = 937074^2 + 147706^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1934203 + ... + 2353930.

Almost surely, 2^899924743912 is an apocalyptic number.

It is an amenable number.

899924743912 is a deficient number, since it is larger than the sum of its proper divisors (835483085888).

899924743912 is a wasteful number, since it uses less digits than its factorization.

899924743912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4288885 (or 4288881 counting only the distinct ones).

The product of its digits is 70543872, while the sum is 67.

The spelling of 899924743912 in words is "eight hundred ninety-nine billion, nine hundred twenty-four million, seven hundred forty-three thousand, nine hundred twelve".