6537485409 has 64 divisors (see below), whose sum is σ = 10874304000. Its totient is φ = 3401736192.

The previous prime is 6537485407. The next prime is 6537485453. The reversal of 6537485409 is 9045847356.

6537485409 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6537485409 - 2¹ = 6537485407 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6537485407) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7036657 + ... + 7037585.

It is an arithmetic number, because the mean of its divisors is an integer number (169911000).

Almost surely, 2^6537485409 is an apocalyptic number.

It is an amenable number.

6537485409 is a deficient number, since it is larger than the sum of its proper divisors (4336818591).

6537485409 is a wasteful number, since it uses less digits than its factorization.

6537485409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1274.

The product of its (nonzero) digits is 3628800, while the sum is 51.

The square root of 6537485409 is about 80854.7179142937. The cubic root of 6537485409 is about 1869.8362605543.

The spelling of 6537485409 in words is "six billion, five hundred thirty-seven million, four hundred eighty-five thousand, four hundred nine".