6551263450 has 24 divisors (see below), whose sum is σ = 12200906592. Its totient is φ = 2617159920.

The previous prime is 6551263399. The next prime is 6551263469. The reversal of 6551263450 is 543621556.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 43894 + ... + 122593.

It is an arithmetic number, because the mean of its divisors is an integer number (508371108).

Almost surely, 2^6551263450 is an apocalyptic number.

6551263450 is a deficient number, since it is larger than the sum of its proper divisors (5649643142).

6551263450 is a wasteful number, since it uses less digits than its factorization.

6551263450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167286 (or 167281 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 37.

The square root of 6551263450 is about 80939.8755249846. The cubic root of 6551263450 is about 1871.1489264876.

The spelling of 6551263450 in words is "six billion, five hundred fifty-one million, two hundred sixty-three thousand, four hundred fifty".