1485688493 has 2 divisors, whose sum is σ = 1485688494. Its totient is φ = 1485688492.

The previous prime is 1485688469. The next prime is 1485688507. The reversal of 1485688493 is 3948865841.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 878411044 + 607277449 = 29638^2 + 24643^2 .

It is a cyclic number.

It is not a de Polignac number, because 1485688493 - 2²⁶ = 1418579629 is a prime.

It is a super-2 number, since 2×1485688493² = 4414540596465222098, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1485688403) 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, 742844246 + 742844247.

It is an arithmetic number, because the mean of its divisors is an integer number (742844247).

Almost surely, 2^1485688493 is an apocalyptic number.

It is an amenable number.

1485688493 is a deficient number, since it is larger than the sum of its proper divisors (1).

1485688493 is an equidigital number, since it uses as much as digits as its factorization.

1485688493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6635520, while the sum is 56.

The square root of 1485688493 is about 38544.6298853679. The cubic root of 1485688493 is about 1141.0620278991.

The spelling of 1485688493 in words is "one billion, four hundred eighty-five million, six hundred eighty-eight thousand, four hundred ninety-three".