1468521839 has 2 divisors, whose sum is σ = 1468521840. Its totient is φ = 1468521838.

The previous prime is 1468521833. The next prime is 1468521911. The reversal of 1468521839 is 9381258641.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (9381258641) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1468521839 - 2¹⁶ = 1468456303 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 1468521793 and 1468521802.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1468521833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 734260919 + 734260920.

It is an arithmetic number, because the mean of its divisors is an integer number (734260920).

Almost surely, 2^1468521839 is an apocalyptic number.

1468521839 is a deficient number, since it is larger than the sum of its proper divisors (1).

1468521839 is an equidigital number, since it uses as much as digits as its factorization.

1468521839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 414720, while the sum is 47.

The square root of 1468521839 is about 38321.2974597677. The cubic root of 1468521839 is about 1136.6501227181.

The spelling of 1468521839 in words is "one billion, four hundred sixty-eight million, five hundred twenty-one thousand, eight hundred thirty-nine".