42399144959 has 2 divisors, whose sum is σ = 42399144960. Its totient is φ = 42399144958.

The previous prime is 42399144947. The next prime is 42399144971. The reversal of 42399144959 is 95944199324.

It is a balanced prime because it is at equal distance from previous prime (42399144947) and next prime (42399144971).

It is a cyclic number.

It is not a de Polignac number, because 42399144959 - 2²⁸ = 42130709503 is a prime.

It is a super-2 number, since 2×42399144959² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42399144898 and 42399144907.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42399144979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21199572479 + 21199572480.

It is an arithmetic number, because the mean of its divisors is an integer number (21199572480).

Almost surely, 2^42399144959 is an apocalyptic number.

42399144959 is a deficient number, since it is larger than the sum of its proper divisors (1).

42399144959 is an equidigital number, since it uses as much as digits as its factorization.

42399144959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12597120, while the sum is 59.

The spelling of 42399144959 in words is "forty-two billion, three hundred ninety-nine million, one hundred forty-four thousand, nine hundred fifty-nine".