3661466447 has 2 divisors, whose sum is σ = 3661466448. Its totient is φ = 3661466446.

The previous prime is 3661466437. The next prime is 3661466509. The reversal of 3661466447 is 7446641663.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3661466447 - 2¹² = 3661462351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3661466437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1830733223 + 1830733224.

It is an arithmetic number, because the mean of its divisors is an integer number (1830733224).

Almost surely, 2^3661466447 is an apocalyptic number.

3661466447 is a deficient number, since it is larger than the sum of its proper divisors (1).

3661466447 is an equidigital number, since it uses as much as digits as its factorization.

3661466447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1741824, while the sum is 47.

The square root of 3661466447 is about 60510.0524458540. The cubic root of 3661466447 is about 1541.2923383373.

The spelling of 3661466447 in words is "three billion, six hundred sixty-one million, four hundred sixty-six thousand, four hundred forty-seven".