1485733021 has 2 divisors, whose sum is σ = 1485733022. Its totient is φ = 1485733020.

The previous prime is 1485733009. The next prime is 1485733043. The reversal of 1485733021 is 1203375841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1013148900 + 472584121 = 31830^2 + 21739^2 .

It is an emirp because it is prime and its reverse (1203375841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1485733021 - 2⁹ = 1485732509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1485733091) 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, 742866510 + 742866511.

It is an arithmetic number, because the mean of its divisors is an integer number (742866511).

Almost surely, 2^1485733021 is an apocalyptic number.

It is an amenable number.

1485733021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1485733021 is an equidigital number, since it uses as much as digits as its factorization.

1485733021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 1485733021 is about 38545.2074971714. The cubic root of 1485733021 is about 1141.0734274854.

The spelling of 1485733021 in words is "one billion, four hundred eighty-five million, seven hundred thirty-three thousand, twenty-one".