9140483965661 has 4 divisors (see below), whose sum is σ = 9179713510812. Its totient is φ = 9101254420512.

The previous prime is 9140483965643. The next prime is 9140483965667. The reversal of 9140483965661 is 1665693840419.

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 3268556647225 + 5871927318436 = 1807915^2 + 2423206^2 .

It is a cyclic number.

It is not a de Polignac number, because 9140483965661 - 2¹⁸ = 9140483703517 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9140483965594 and 9140483965603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9140483965667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19614772226 + ... + 19614772691.

It is an arithmetic number, because the mean of its divisors is an integer number (2294928377703).

Almost surely, 2^{9140483965661} is an apocalyptic number.

It is an amenable number.

9140483965661 is a deficient number, since it is larger than the sum of its proper divisors (39229545151).

9140483965661 is a wasteful number, since it uses less digits than its factorization.

9140483965661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39229545150.

The product of its (nonzero) digits is 33592320, while the sum is 62.

The spelling of 9140483965661 in words is "nine trillion, one hundred forty billion, four hundred eighty-three million, nine hundred sixty-five thousand, six hundred sixty-one".