5851449949312 has 128 divisors (see below), whose sum is σ = 12758342114880. Its totient is φ = 2651099136000.

The previous prime is 5851449949273. The next prime is 5851449949343. The reversal of 5851449949312 is 2139499441585.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (64).

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, 941198428 + ... + 941204644.

Almost surely, 2^{5851449949312} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5851449949312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6379171057440).

5851449949312 is an abundant number, since it is smaller than the sum of its proper divisors (6906892165568).

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

5851449949312 is a wasteful number, since it uses less digits than its factorization.

5851449949312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8310 (or 8298 counting only the distinct ones).

The product of its digits is 55987200, while the sum is 64.

The spelling of 5851449949312 in words is "five trillion, eight hundred fifty-one billion, four hundred forty-nine million, nine hundred forty-nine thousand, three hundred twelve".