6546996457 has 4 divisors (see below), whose sum is σ = 6562187136. Its totient is φ = 6531805780.

The previous prime is 6546996427. The next prime is 6546996493. The reversal of 6546996457 is 7546996456.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6546996457 - 2⁷ = 6546996329 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6546996395 and 6546996404.

It is not an unprimeable number, because it can be changed into a prime (6546996427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7594693 + ... + 7595554.

It is an arithmetic number, because the mean of its divisors is an integer number (1640546784).

Almost surely, 2^6546996457 is an apocalyptic number.

It is an amenable number.

6546996457 is a deficient number, since it is larger than the sum of its proper divisors (15190679).

6546996457 is a wasteful number, since it uses less digits than its factorization.

6546996457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15190678.

The product of its digits is 48988800, while the sum is 61.

The square root of 6546996457 is about 80913.5122028453. The cubic root of 6546996457 is about 1870.7425970578.

Subtracting 6546996457 from its reverse (7546996456), we obtain a palindrome (999999999).

The spelling of 6546996457 in words is "six billion, five hundred forty-six million, nine hundred ninety-six thousand, four hundred fifty-seven".