4645661041 has 6 divisors (see below), whose sum is σ = 5404136370. Its totient is φ = 3981995136.

The previous prime is 4645661021. The next prime is 4645661057. The reversal of 4645661041 is 1401665464.

It can be written as a sum of positive squares in only one way, i.e., 4489536016 + 156125025 = 67004^2 + 12495^2 .

It is not a de Polignac number, because 4645661041 - 2⁹ = 4645660529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4645661011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 47404656 + ... + 47404753.

It is an arithmetic number, because the mean of its divisors is an integer number (900689395).

Almost surely, 2^4645661041 is an apocalyptic number.

It is an amenable number.

4645661041 is a deficient number, since it is larger than the sum of its proper divisors (758475329).

4645661041 is an equidigital number, since it uses as much as digits as its factorization.

4645661041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94809423 (or 94809416 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 4645661041 is about 68159.0862688167. The cubic root of 4645661041 is about 1668.5882197599.

The spelling of 4645661041 in words is "four billion, six hundred forty-five million, six hundred sixty-one thousand, forty-one".