6423890159 has 2 divisors, whose sum is σ = 6423890160. Its totient is φ = 6423890158.

The previous prime is 6423890107. The next prime is 6423890171. The reversal of 6423890159 is 9510983246.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6423890159 - 2¹⁶ = 6423824623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6423890059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3211945079 + 3211945080.

It is an arithmetic number, because the mean of its divisors is an integer number (3211945080).

Almost surely, 2^6423890159 is an apocalyptic number.

6423890159 is a deficient number, since it is larger than the sum of its proper divisors (1).

6423890159 is an equidigital number, since it uses as much as digits as its factorization.

6423890159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 466560, while the sum is 47.

The square root of 6423890159 is about 80149.1744124667. The cubic root of 6423890159 is about 1858.9428377093.

The spelling of 6423890159 in words is "six billion, four hundred twenty-three million, eight hundred ninety thousand, one hundred fifty-nine".