1489074493 has 2 divisors, whose sum is σ = 1489074494. Its totient is φ = 1489074492.

The previous prime is 1489074439. The next prime is 1489074497. The reversal of 1489074493 is 3944709841.

Together with previous prime (1489074439) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 906431449 + 582643044 = 30107^2 + 24138^2 .

It is a cyclic number.

It is not a de Polignac number, because 1489074493 - 2¹³ = 1489066301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1489074497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 744537246 + 744537247.

It is an arithmetic number, because the mean of its divisors is an integer number (744537247).

Almost surely, 2^1489074493 is an apocalyptic number.

It is an amenable number.

1489074493 is a deficient number, since it is larger than the sum of its proper divisors (1).

1489074493 is an equidigital number, since it uses as much as digits as its factorization.

1489074493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 870912, while the sum is 49.

The square root of 1489074493 is about 38588.5279973207. The cubic root of 1489074493 is about 1141.9282266524.

The spelling of 1489074493 in words is "one billion, four hundred eighty-nine million, seventy-four thousand, four hundred ninety-three".