899743590912 has 160 divisors (see below), whose sum is σ = 2458885746240. Its totient is φ = 292188487680.

The previous prime is 899743590883. The next prime is 899743590961. The reversal of 899743590912 is 219095347998.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46529598 + ... + 46548930.

It is an arithmetic number, because the mean of its divisors is an integer number (15368035914).

Almost surely, 2^899743590912 is an apocalyptic number.

899743590912 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 899743590912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1229442873120).

899743590912 is an abundant number, since it is smaller than the sum of its proper divisors (1559142155328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

899743590912 is a wasteful number, since it uses less digits than its factorization.

899743590912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20134 (or 20118 counting only the distinct ones).

The product of its (nonzero) digits is 44089920, while the sum is 66.

The spelling of 899743590912 in words is "eight hundred ninety-nine billion, seven hundred forty-three million, five hundred ninety thousand, nine hundred twelve".