1600491743 has 2 divisors, whose sum is σ = 1600491744. Its totient is φ = 1600491742.

The previous prime is 1600491667. The next prime is 1600491749. The reversal of 1600491743 is 3471940061.

It is a strong prime.

It is an emirp because it is prime and its reverse (3471940061) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1600491743 - 2¹⁶ = 1600426207 is a prime.

It is a super-3 number, since 3×1600491743³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1600491749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 800245871 + 800245872.

It is an arithmetic number, because the mean of its divisors is an integer number (800245872).

Almost surely, 2^1600491743 is an apocalyptic number.

1600491743 is a deficient number, since it is larger than the sum of its proper divisors (1).

1600491743 is an equidigital number, since it uses as much as digits as its factorization.

1600491743 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 1600491743 is about 40006.1463152851. The cubic root of 1600491743 is about 1169.7269051164.

The spelling of 1600491743 in words is "one billion, six hundred million, four hundred ninety-one thousand, seven hundred forty-three".