6518550457 has 16 divisors (see below), whose sum is σ = 6917529600. Its totient is φ = 6125343120.

The previous prime is 6518550439. The next prime is 6518550481. The reversal of 6518550457 is 7540558156.

It is not a de Polignac number, because 6518550457 - 2¹⁹ = 6518026169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6518554457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1463608 + ... + 1468054.

It is an arithmetic number, because the mean of its divisors is an integer number (432345600).

Almost surely, 2^6518550457 is an apocalyptic number.

It is an amenable number.

6518550457 is a deficient number, since it is larger than the sum of its proper divisors (398979143).

6518550457 is a wasteful number, since it uses less digits than its factorization.

6518550457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5076.

The product of its (nonzero) digits is 840000, while the sum is 46.

The square root of 6518550457 is about 80737.5405681892. The cubic root of 6518550457 is about 1868.0292713256.

The spelling of 6518550457 in words is "six billion, five hundred eighteen million, five hundred fifty thousand, four hundred fifty-seven".