259420784355 has 12 divisors (see below), whose sum is σ = 449662692960. Its totient is φ = 138357751632.

The previous prime is 259420784353. The next prime is 259420784401. The reversal of 259420784355 is 553487024952.

259420784355 is a `hidden beast` number, since 2 + 5 + 9 + 4 + 207 + 84 + 355 = 666.

It is not a de Polignac number, because 259420784355 - 2¹ = 259420784353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (259420784353) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2882453115 + ... + 2882453204.

It is an arithmetic number, because the mean of its divisors is an integer number (37471891080).

Almost surely, 2^259420784355 is an apocalyptic number.

259420784355 is a deficient number, since it is larger than the sum of its proper divisors (190241908605).

259420784355 is a wasteful number, since it uses less digits than its factorization.

259420784355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5764906330 (or 5764906327 counting only the distinct ones).

The product of its (nonzero) digits is 12096000, while the sum is 54.

The spelling of 259420784355 in words is "two hundred fifty-nine billion, four hundred twenty million, seven hundred eighty-four thousand, three hundred fifty-five".