941635403641 has 9 divisors (see below), whose sum is σ = 943770210159. Its totient is φ = 939505421736.

The previous prime is 941635403609. The next prime is 941635403651. The reversal of 941635403641 is 146304536149.

The square root of 941635403641 is 970379.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 3069714025 + 938565689616 = 55405^2 + 968796^2 .

It is not a de Polignac number, because 941635403641 - 2⁵ = 941635403609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 941635403591 and 941635403600.

It is not an unprimeable number, because it can be changed into a prime (941635403651) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 594841536 + ... + 594843118.

Almost surely, 2^941635403641 is an apocalyptic number.

941635403641 is the 970379-th square number.

941635403641 is the 485190-th centered octagonal number.

It is an amenable number.

941635403641 is a deficient number, since it is larger than the sum of its proper divisors (2134806518).

941635403641 is an frugal number, since it uses more digits than its factorization.

941635403641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4392 (or 2196 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 46.

The spelling of 941635403641 in words is "nine hundred forty-one billion, six hundred thirty-five million, four hundred three thousand, six hundred forty-one".