6546226457 has 8 divisors (see below), whose sum is σ = 6585076680. Its totient is φ = 6507406080.

The previous prime is 6546226447. The next prime is 6546226493. The reversal of 6546226457 is 7546226456.

It can be written as a sum of positive squares in 4 ways, for example, as 6431296 + 6539795161 = 2536^2 + 80869^2 .

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 6546226457 - 2⁴ = 6546226441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6546226447) 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, 556913 + ... + 568545.

It is an arithmetic number, because the mean of its divisors is an integer number (823134585).

Almost surely, 2^6546226457 is an apocalyptic number.

It is an amenable number.

6546226457 is a deficient number, since it is larger than the sum of its proper divisors (38850223).

6546226457 is a wasteful number, since it uses less digits than its factorization.

6546226457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14923.

The product of its digits is 2419200, while the sum is 47.

The square root of 6546226457 is about 80908.7538959784. The cubic root of 6546226457 is about 1870.6692540989.

Subtracting 6546226457 from its reverse (7546226456), we obtain a palindrome (999999999).

It can be divided in two parts, 65462 and 26457, that added together give a palindrome (91919).

The spelling of 6546226457 in words is "six billion, five hundred forty-six million, two hundred twenty-six thousand, four hundred fifty-seven".