6514554685 has 4 divisors (see below), whose sum is σ = 7817465628. Its totient is φ = 5211643744.

The previous prime is 6514554619. The next prime is 6514554691. The reversal of 6514554685 is 5864554156.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3759774489 + 2754780196 = 61317^2 + 52486^2 .

It is a cyclic number.

It is not a de Polignac number, because 6514554685 - 2²³ = 6506166077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 651455464 + ... + 651455473.

It is an arithmetic number, because the mean of its divisors is an integer number (1954366407).

Almost surely, 2^6514554685 is an apocalyptic number.

It is an amenable number.

6514554685 is a deficient number, since it is larger than the sum of its proper divisors (1302910943).

6514554685 is a wasteful number, since it uses less digits than its factorization.

6514554685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1302910942.

The product of its digits is 2880000, while the sum is 49.

The square root of 6514554685 is about 80712.7913344595. The cubic root of 6514554685 is about 1867.6475021589.

The spelling of 6514554685 in words is "six billion, five hundred fourteen million, five hundred fifty-four thousand, six hundred eighty-five".