6451710420 has 24 divisors (see below), whose sum is σ = 18064789344. Its totient is φ = 1720456096.

The previous prime is 6451710389. The next prime is 6451710457. The reversal of 6451710420 is 240171546.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53764194 + ... + 53764313.

It is an arithmetic number, because the mean of its divisors is an integer number (752699556).

Almost surely, 2^6451710420 is an apocalyptic number.

6451710420 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6451710420 is an abundant number, since it is smaller than the sum of its proper divisors (11613078924).

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

6451710420 is a wasteful number, since it uses less digits than its factorization.

6451710420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107528519 (or 107528517 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 6451710420 is about 80322.5399249800. The cubic root of 6451710420 is about 1861.6225118635.

Adding to 6451710420 its reverse (240171546), we get a palindrome (6691881966).

The spelling of 6451710420 in words is "six billion, four hundred fifty-one million, seven hundred ten thousand, four hundred twenty".