4497082661 has 2 divisors, whose sum is σ = 4497082662. Its totient is φ = 4497082660.

The previous prime is 4497082657. The next prime is 4497082727. The reversal of 4497082661 is 1662807944.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3143284225 + 1353798436 = 56065^2 + 36794^2 .

It is a cyclic number.

It is not a de Polignac number, because 4497082661 - 2² = 4497082657 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4497082361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2248541330 + 2248541331.

It is an arithmetic number, because the mean of its divisors is an integer number (2248541331).

Almost surely, 2^4497082661 is an apocalyptic number.

It is an amenable number.

4497082661 is a deficient number, since it is larger than the sum of its proper divisors (1).

4497082661 is an equidigital number, since it uses as much as digits as its factorization.

4497082661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 580608, while the sum is 47.

The square root of 4497082661 is about 67060.2912385564. The cubic root of 4497082661 is about 1650.6067754274.

The spelling of 4497082661 in words is "four billion, four hundred ninety-seven million, eighty-two thousand, six hundred sixty-one".