259857707092 has 12 divisors (see below), whose sum is σ = 481501045620. Its totient is φ = 122285979776.

The previous prime is 259857707077. The next prime is 259857707129. The reversal of 259857707092 is 290707758952.

It can be written as a sum of positive squares in 2 ways, for example, as 107581376016 + 152276331076 = 327996^2 + 390226^2 .

It is a super-2 number, since 2×259857707092² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 259857707092.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1910718367 + ... + 1910718502.

It is an arithmetic number, because the mean of its divisors is an integer number (40125087135).

Almost surely, 2^259857707092 is an apocalyptic number.

It is an amenable number.

259857707092 is a deficient number, since it is larger than the sum of its proper divisors (221643338528).

259857707092 is a wasteful number, since it uses less digits than its factorization.

259857707092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3821436890 (or 3821436888 counting only the distinct ones).

The product of its (nonzero) digits is 22226400, while the sum is 61.

The spelling of 259857707092 in words is "two hundred fifty-nine billion, eight hundred fifty-seven million, seven hundred seven thousand, ninety-two".