42905179259 has 2 divisors, whose sum is σ = 42905179260. Its totient is φ = 42905179258.

The previous prime is 42905179223. The next prime is 42905179283. The reversal of 42905179259 is 95297150924.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42905179259 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42905179259.

It is not a weakly prime, because it can be changed into another prime (42905169259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21452589629 + 21452589630.

It is an arithmetic number, because the mean of its divisors is an integer number (21452589630).

Almost surely, 2^42905179259 is an apocalyptic number.

42905179259 is a deficient number, since it is larger than the sum of its proper divisors (1).

42905179259 is an equidigital number, since it uses as much as digits as its factorization.

42905179259 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2041200, while the sum is 53.

The spelling of 42905179259 in words is "forty-two billion, nine hundred five million, one hundred seventy-nine thousand, two hundred fifty-nine".