5491677312 has 256 divisors, whose sum is σ = 18614592000. Its totient is φ = 1576350720.

The previous prime is 5491677299. The next prime is 5491677313. The reversal of 5491677312 is 2137761945.

5491677312 is a `hidden beast` number, since 549 + 1 + 6 + 77 + 31 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (5491677313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 718503 + ... + 726105.

It is an arithmetic number, because the mean of its divisors is an integer number (72713250).

Almost surely, 2^5491677312 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 5491677312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9307296000).

5491677312 is an abundant number, since it is smaller than the sum of its proper divisors (13122914688).

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

5491677312 is a wasteful number, since it uses less digits than its factorization.

5491677312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7656 (or 7638 counting only the distinct ones).

The product of its digits is 317520, while the sum is 45.

The square root of 5491677312 is about 74105.8520766073. The cubic root of 5491677312 is about 1764.2833549167.

The spelling of 5491677312 in words is "five billion, four hundred ninety-one million, six hundred seventy-seven thousand, three hundred twelve".