1650487427 has 2 divisors, whose sum is σ = 1650487428. Its totient is φ = 1650487426.

The previous prime is 1650487373. The next prime is 1650487439. The reversal of 1650487427 is 7247840561.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1650487427 - 2¹⁰ = 1650486403 is a prime.

It is not a weakly prime, because it can be changed into another prime (1650487457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 825243713 + 825243714.

It is an arithmetic number, because the mean of its divisors is an integer number (825243714).

Almost surely, 2^1650487427 is an apocalyptic number.

1650487427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1650487427 is an equidigital number, since it uses as much as digits as its factorization.

1650487427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 376320, while the sum is 44.

The square root of 1650487427 is about 40626.1913917611. The cubic root of 1650487427 is about 1181.7820977573.

The spelling of 1650487427 in words is "one billion, six hundred fifty million, four hundred eighty-seven thousand, four hundred twenty-seven".