1659087343 has 2 divisors, whose sum is σ = 1659087344. Its totient is φ = 1659087342.

The previous prime is 1659087337. The next prime is 1659087347. The reversal of 1659087343 is 3437809561.

It is a strong prime.

It is an emirp because it is prime and its reverse (3437809561) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1659087343 - 2²¹ = 1656990191 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1659087293 and 1659087302.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1659087347) 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, 829543671 + 829543672.

It is an arithmetic number, because the mean of its divisors is an integer number (829543672).

Almost surely, 2^1659087343 is an apocalyptic number.

1659087343 is a deficient number, since it is larger than the sum of its proper divisors (1).

1659087343 is an equidigital number, since it uses as much as digits as its factorization.

1659087343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 46.

The square root of 1659087343 is about 40731.8958925312. The cubic root of 1659087343 is about 1183.8311138217.

The spelling of 1659087343 in words is "one billion, six hundred fifty-nine million, eighty-seven thousand, three hundred forty-three".