6480574757 has 2 divisors, whose sum is σ = 6480574758. Its totient is φ = 6480574756.

The previous prime is 6480574729. The next prime is 6480574817. The reversal of 6480574757 is 7574750846.

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., 5775088036 + 705486721 = 75994^2 + 26561^2 .

It is a cyclic number.

It is not a de Polignac number, because 6480574757 - 2⁸ = 6480574501 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6480574699 and 6480574708.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6480574357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3240287378 + 3240287379.

It is an arithmetic number, because the mean of its divisors is an integer number (3240287379).

Almost surely, 2^6480574757 is an apocalyptic number.

It is an amenable number.

6480574757 is a deficient number, since it is larger than the sum of its proper divisors (1).

6480574757 is an equidigital number, since it uses as much as digits as its factorization.

6480574757 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6585600, while the sum is 53.

The square root of 6480574757 is about 80502.0170989522. The cubic root of 6480574757 is about 1864.3946224252.

The spelling of 6480574757 in words is "six billion, four hundred eighty million, five hundred seventy-four thousand, seven hundred fifty-seven".