486969641 has 16 divisors (see below), whose sum is σ = 528670800. Its totient is φ = 446865408.

The previous prime is 486969611. The next prime is 486969673. The reversal of 486969641 is 146969684.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 27081616 + 459888025 = 5204^2 + 21445^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-486969641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (486969611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108245 + ... + 112653.

It is an arithmetic number, because the mean of its divisors is an integer number (33041925).

Almost surely, 2^486969641 is an apocalyptic number.

It is an amenable number.

486969641 is a deficient number, since it is larger than the sum of its proper divisors (41701159).

486969641 is a wasteful number, since it uses less digits than its factorization.

486969641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4588.

The product of its digits is 2239488, while the sum is 53.

The square root of 486969641 is about 22067.3886311906. The cubic root of 486969641 is about 786.7449471042.

The spelling of 486969641 in words is "four hundred eighty-six million, nine hundred sixty-nine thousand, six hundred forty-one".