1490984461 has 2 divisors, whose sum is σ = 1490984462. Its totient is φ = 1490984460.

The previous prime is 1490984441. The next prime is 1490984471. The reversal of 1490984461 is 1644890941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1213128900 + 277855561 = 34830^2 + 16669^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1490984461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1490984441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 745492230 + 745492231.

It is an arithmetic number, because the mean of its divisors is an integer number (745492231).

Almost surely, 2^1490984461 is an apocalyptic number.

It is an amenable number.

1490984461 is a deficient number, since it is larger than the sum of its proper divisors (1).

1490984461 is an equidigital number, since it uses as much as digits as its factorization.

1490984461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 1490984461 is about 38613.2679399193. The cubic root of 1490984461 is about 1142.4162511570.

The spelling of 1490984461 in words is "one billion, four hundred ninety million, nine hundred eighty-four thousand, four hundred sixty-one".