259394098390542 has 12 divisors (see below), whose sum is σ = 562020546512880. Its totient is φ = 86464699463508.

The previous prime is 259394098390457. The next prime is 259394098390543. The reversal of 259394098390542 is 245093890493952.

It is a happy number.

259394098390542 is a `hidden beast` number, since 2 + 5 + 9 + 3 + 9 + 40 + 9 + 8 + 39 + 0 + 542 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (259394098390543) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7205391621942 + ... + 7205391621977.

It is an arithmetic number, because the mean of its divisors is an integer number (46835045542740).

Almost surely, 2^{259394098390542} is an apocalyptic number.

259394098390542 is an abundant number, since it is smaller than the sum of its proper divisors (302626448122338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

259394098390542 is a wasteful number, since it uses less digits than its factorization.

259394098390542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14410783243927 (or 14410783243924 counting only the distinct ones).

The product of its (nonzero) digits is 755827200, while the sum is 72.

The spelling of 259394098390542 in words is "two hundred fifty-nine trillion, three hundred ninety-four billion, ninety-eight million, three hundred ninety thousand, five hundred forty-two".