6485742543 has 32 divisors (see below), whose sum is σ = 10158483456. Its totient is φ = 3603011328.

The previous prime is 6485742401. The next prime is 6485742559. The reversal of 6485742543 is 3452475846.

It is not a de Polignac number, because 6485742543 - 2⁸ = 6485742287 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6485742492 and 6485742501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6485742343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1227355 + ... + 1232627.

It is an arithmetic number, because the mean of its divisors is an integer number (317452608).

Almost surely, 2^6485742543 is an apocalyptic number.

6485742543 is a deficient number, since it is larger than the sum of its proper divisors (3672740913).

6485742543 is a wasteful number, since it uses less digits than its factorization.

6485742543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6903.

The product of its digits is 3225600, while the sum is 48.

The square root of 6485742543 is about 80534.1079481234. The cubic root of 6485742543 is about 1864.8900636944.

The spelling of 6485742543 in words is "six billion, four hundred eighty-five million, seven hundred forty-two thousand, five hundred forty-three".