1492163609 has 2 divisors, whose sum is σ = 1492163610. Its totient is φ = 1492163608.

The previous prime is 1492163599. The next prime is 1492163611. The reversal of 1492163609 is 9063612941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 758837209 + 733326400 = 27547^2 + 27080^2 .

It is a cyclic number.

It is not a de Polignac number, because 1492163609 - 2⁸ = 1492163353 is a prime.

It is a Sophie Germain prime.

Together with 1492163611, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1492163209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 746081804 + 746081805.

It is an arithmetic number, because the mean of its divisors is an integer number (746081805).

Almost surely, 2^1492163609 is an apocalyptic number.

It is an amenable number.

1492163609 is a deficient number, since it is larger than the sum of its proper divisors (1).

1492163609 is an equidigital number, since it uses as much as digits as its factorization.

1492163609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 1492163609 is about 38628.5336118264. The cubic root of 1492163609 is about 1142.7173325154.

The spelling of 1492163609 in words is "one billion, four hundred ninety-two million, one hundred sixty-three thousand, six hundred nine".