6546226493 has 2 divisors, whose sum is σ = 6546226494. Its totient is φ = 6546226492.

The previous prime is 6546226447. The next prime is 6546226513. The reversal of 6546226493 is 3946226456.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6417131449 + 129095044 = 80107^2 + 11362^2 .

It is a cyclic number.

It is not a de Polignac number, because 6546226493 - 2⁶ = 6546226429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6546226433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3273113246 + 3273113247.

It is an arithmetic number, because the mean of its divisors is an integer number (3273113247).

Almost surely, 2^6546226493 is an apocalyptic number.

It is an amenable number.

6546226493 is a deficient number, since it is larger than the sum of its proper divisors (1).

6546226493 is an equidigital number, since it uses as much as digits as its factorization.

6546226493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1866240, while the sum is 47.

The square root of 6546226493 is about 80908.7541184512. The cubic root of 6546226493 is about 1870.6692575281.

The spelling of 6546226493 in words is "six billion, five hundred forty-six million, two hundred twenty-six thousand, four hundred ninety-three".