6551470445 has 8 divisors (see below), whose sum is σ = 8466515736. Its totient is φ = 4838008896.

The previous prime is 6551470441. The next prime is 6551470451. The reversal of 6551470445 is 5440741556.

It can be written as a sum of positive squares in 4 ways, for example, as 24964 + 6551445481 = 158^2 + 80941^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 6551470445 - 2² = 6551470441 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6551470441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50395862 + ... + 50395991.

It is an arithmetic number, because the mean of its divisors is an integer number (1058314467).

Almost surely, 2^6551470445 is an apocalyptic number.

6551470445 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6551470445 is a deficient number, since it is larger than the sum of its proper divisors (1915045291).

6551470445 is a wasteful number, since it uses less digits than its factorization.

6551470445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100791871.

The product of its (nonzero) digits is 336000, while the sum is 41.

The square root of 6551470445 is about 80941.1542109451. The cubic root of 6551470445 is about 1871.1686333424.

The spelling of 6551470445 in words is "six billion, five hundred fifty-one million, four hundred seventy thousand, four hundred forty-five".