6546748577 has 2 divisors, whose sum is σ = 6546748578. Its totient is φ = 6546748576.

The previous prime is 6546748573. The next prime is 6546748631. The reversal of 6546748577 is 7758476456.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3326867041 + 3219881536 = 57679^2 + 56744^2 .

It is a cyclic number.

It is not a de Polignac number, because 6546748577 - 2² = 6546748573 is a prime.

It is not a weakly prime, because it can be changed into another prime (6546748573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3273374288 + 3273374289.

It is an arithmetic number, because the mean of its divisors is an integer number (3273374289).

Almost surely, 2^6546748577 is an apocalyptic number.

It is an amenable number.

6546748577 is a deficient number, since it is larger than the sum of its proper divisors (1).

6546748577 is an equidigital number, since it uses as much as digits as its factorization.

6546748577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 39513600, while the sum is 59.

The square root of 6546748577 is about 80911.9804293530. The cubic root of 6546748577 is about 1870.7189869677.

The spelling of 6546748577 in words is "six billion, five hundred forty-six million, seven hundred forty-eight thousand, five hundred seventy-seven".