6471537450 has 96 divisors (see below), whose sum is σ = 18358824960. Its totient is φ = 1477867200.

The previous prime is 6471537433. The next prime is 6471537451. The reversal of 6471537450 is 547351746.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (6471537451) 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 47 ways as a sum of consecutive naturals, for example, 1584511 + ... + 1588589.

It is an arithmetic number, because the mean of its divisors is an integer number (191237760).

Almost surely, 2^6471537450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6471537450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9179412480).

6471537450 is an abundant number, since it is smaller than the sum of its proper divisors (11887287510).

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

6471537450 is a wasteful number, since it uses less digits than its factorization.

6471537450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5612 (or 5607 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 42.

The square root of 6471537450 is about 80445.8665811986. The cubic root of 6471537450 is about 1863.5275725400.

The spelling of 6471537450 in words is "six billion, four hundred seventy-one million, five hundred thirty-seven thousand, four hundred fifty".