259903897345 has 8 divisors (see below), whose sum is σ = 312416000064. Its totient is φ = 207568902384.

The previous prime is 259903897343. The next prime is 259903897361. The reversal of 259903897345 is 543798309952.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 259903897345 - 2¹ = 259903897343 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (259903897343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44273709 + ... + 44279578.

It is an arithmetic number, because the mean of its divisors is an integer number (39052000008).

Almost surely, 2^259903897345 is an apocalyptic number.

It is an amenable number.

259903897345 is a deficient number, since it is larger than the sum of its proper divisors (52512102719).

259903897345 is an equidigital number, since it uses as much as digits as its factorization.

259903897345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88553879.

The product of its (nonzero) digits is 73483200, while the sum is 64.

The spelling of 259903897345 in words is "two hundred fifty-nine billion, nine hundred three million, eight hundred ninety-seven thousand, three hundred forty-five".