6551445458 has 8 divisors (see below), whose sum is σ = 9836416128. Its totient is φ = 3272640084.

The previous prime is 6551445449. The next prime is 6551445493. The reversal of 6551445458 is 8545441556.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1538666 + ... + 1542917.

It is an arithmetic number, because the mean of its divisors is an integer number (1229552016).

Almost surely, 2^6551445458 is an apocalyptic number.

6551445458 is a deficient number, since it is larger than the sum of its proper divisors (3284970670).

6551445458 is a wasteful number, since it uses less digits than its factorization.

6551445458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3082648.

The product of its digits is 1920000, while the sum is 47.

The square root of 6551445458 is about 80940.9998579212. Note that the first 3 decimals coincide. The cubic root of 6551445458 is about 1871.1662544897.

The spelling of 6551445458 in words is "six billion, five hundred fifty-one million, four hundred forty-five thousand, four hundred fifty-eight".