6536020945 has 8 divisors (see below), whose sum is σ = 8034523560. Its totient is φ = 5101284480.

The previous prime is 6536020927. The next prime is 6536020951. The reversal of 6536020945 is 5490206356.

It can be written as a sum of positive squares in 4 ways, for example, as 364504464 + 6171516481 = 19092^2 + 78559^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6536020945 - 2⁷ = 6536020817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6536020898 and 6536020907.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15941310 + ... + 15941719.

It is an arithmetic number, because the mean of its divisors is an integer number (1004315445).

Almost surely, 2^6536020945 is an apocalyptic number.

It is an amenable number.

6536020945 is a deficient number, since it is larger than the sum of its proper divisors (1498502615).

6536020945 is a wasteful number, since it uses less digits than its factorization.

6536020945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31883075.

The product of its (nonzero) digits is 194400, while the sum is 40.

The square root of 6536020945 is about 80845.6612626800. The cubic root of 6536020945 is about 1869.6966292734.

The spelling of 6536020945 in words is "six billion, five hundred thirty-six million, twenty thousand, nine hundred forty-five".