5036534770661 has 4 divisors (see below), whose sum is σ = 5131563728652. Its totient is φ = 4941505812672.

The previous prime is 5036534770637. The next prime is 5036534770717. The reversal of 5036534770661 is 1660774356305.

It is a happy number.

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 1873597014436 + 3162937756225 = 1368794^2 + 1778465^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5036534770661 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53), and also a Moran number because the ratio is a prime number: 95028957937 = 5036534770661 / (5 + 0 + 3 + 6 + 5 + 3 + 4 + 7 + 7 + 0 + 6 + 6 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5036534740661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47514478916 + ... + 47514479021.

It is an arithmetic number, because the mean of its divisors is an integer number (1282890932163).

Almost surely, 2^{5036534770661} is an apocalyptic number.

It is an amenable number.

5036534770661 is a deficient number, since it is larger than the sum of its proper divisors (95028957991).

5036534770661 is an equidigital number, since it uses as much as digits as its factorization.

5036534770661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95028957990.

The product of its (nonzero) digits is 9525600, while the sum is 53.

The spelling of 5036534770661 in words is "five trillion, thirty-six billion, five hundred thirty-four million, seven hundred seventy thousand, six hundred sixty-one".