1484908661 has 2 divisors, whose sum is σ = 1484908662. Its totient is φ = 1484908660.

The previous prime is 1484908643. The next prime is 1484908687. The reversal of 1484908661 is 1668094841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1022400625 + 462508036 = 31975^2 + 21506^2 .

It is a cyclic number.

It is not a de Polignac number, because 1484908661 - 2⁶ = 1484908597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1484908561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 742454330 + 742454331.

It is an arithmetic number, because the mean of its divisors is an integer number (742454331).

Almost surely, 2^1484908661 is an apocalyptic number.

It is an amenable number.

1484908661 is a deficient number, since it is larger than the sum of its proper divisors (1).

1484908661 is an equidigital number, since it uses as much as digits as its factorization.

1484908661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 331776, while the sum is 47.

The square root of 1484908661 is about 38534.5125958536. The cubic root of 1484908661 is about 1140.8623466461.

The spelling of 1484908661 in words is "one billion, four hundred eighty-four million, nine hundred eight thousand, six hundred sixty-one".