6451132450 has 24 divisors (see below), whose sum is σ = 13713265152. Its totient is φ = 2211816720.

The previous prime is 6451132423. The next prime is 6451132451. The reversal of 6451132450 is 542311546.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (6451132451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9215554 + ... + 9216253.

It is an arithmetic number, because the mean of its divisors is an integer number (571386048).

Almost surely, 2^6451132450 is an apocalyptic number.

6451132450 is an abundant number, since it is smaller than the sum of its proper divisors (7262132702).

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

6451132450 is a wasteful number, since it uses less digits than its factorization.

6451132450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18431826 (or 18431821 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 6451132450 is about 80318.9420373550. The cubic root of 6451132450 is about 1861.5669196756.

Adding to 6451132450 its reverse (542311546), we get a palindrome (6993443996).

The spelling of 6451132450 in words is "six billion, four hundred fifty-one million, one hundred thirty-two thousand, four hundred fifty".