6451442510 has 16 divisors (see below), whose sum is σ = 11614040496. Its totient is φ = 2580256128.

The previous prime is 6451442479. The next prime is 6451442539. The reversal of 6451442510 is 152441546.

It is a super-2 number, since 2×6451442510² = 83242220919670200200, which contains 22 as substring.

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, 55094 + ... + 126246.

It is an arithmetic number, because the mean of its divisors is an integer number (725877531).

Almost surely, 2^6451442510 is an apocalyptic number.

6451442510 is a deficient number, since it is larger than the sum of its proper divisors (5162597986).

6451442510 is a wasteful number, since it uses less digits than its factorization.

6451442510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80227.

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 6451442510 is about 80320.8721939696. The cubic root of 6451442510 is about 1861.5967432865.

The spelling of 6451442510 in words is "six billion, four hundred fifty-one million, four hundred forty-two thousand, five hundred ten".