35765061649 has 4 divisors (see below), whose sum is σ = 35777176036. Its totient is φ = 35752947264.

The previous prime is 35765061643. The next prime is 35765061667. The reversal of 35765061649 is 94616056753.

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 33308075025 + 2456986624 = 182505^2 + 49568^2 .

It is a cyclic number.

It is not a de Polignac number, because 35765061649 - 2¹⁵ = 35765028881 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 35765061596 and 35765061605.

It is not an unprimeable number, because it can be changed into a prime (35765061643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6052764 + ... + 6058669.

It is an arithmetic number, because the mean of its divisors is an integer number (8944294009).

Almost surely, 2^35765061649 is an apocalyptic number.

It is an amenable number.

35765061649 is a deficient number, since it is larger than the sum of its proper divisors (12114387).

35765061649 is a wasteful number, since it uses less digits than its factorization.

35765061649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12114386.

The product of its (nonzero) digits is 4082400, while the sum is 52.

The spelling of 35765061649 in words is "thirty-five billion, seven hundred sixty-five million, sixty-one thousand, six hundred forty-nine".