6514536545 has 12 divisors (see below), whose sum is σ = 8592728340. Its totient is φ = 4737844320.

The previous prime is 6514536467. The next prime is 6514536559. The reversal of 6514536545 is 5456354156.

It can be written as a sum of positive squares in 2 ways, for example, as 1649334544 + 4865202001 = 40612^2 + 69751^2 .

It is not a de Polignac number, because 6514536545 - 2³⁰ = 5440794721 is a prime.

It is a super-2 number, since 2×6514536545² = 84878372792281074050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6514536496 and 6514536505.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5383310 + ... + 5384519.

It is an arithmetic number, because the mean of its divisors is an integer number (716060695).

Almost surely, 2^6514536545 is an apocalyptic number.

It is an amenable number.

6514536545 is a deficient number, since it is larger than the sum of its proper divisors (2078191795).

6514536545 is a wasteful number, since it uses less digits than its factorization.

6514536545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10767856 (or 10767845 counting only the distinct ones).

The product of its digits is 1080000, while the sum is 44.

The square root of 6514536545 is about 80712.6789606193. The cubic root of 6514536545 is about 1867.6457686479.

The spelling of 6514536545 in words is "six billion, five hundred fourteen million, five hundred thirty-six thousand, five hundred forty-five".