234998380565 has 16 divisors (see below), whose sum is σ = 303701949936. Its totient is φ = 173530560000.

The previous prime is 234998380501. The next prime is 234998380583. The reversal of 234998380565 is 565083899432.

It can be written as a sum of positive squares in 8 ways, for example, as 139190178724 + 95808201841 = 373082^2 + 309529^2 .

It is not a de Polignac number, because 234998380565 - 2⁶ = 234998380501 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 234998380498 and 234998380507.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2176865 + ... + 2282265.

It is an arithmetic number, because the mean of its divisors is an integer number (18981371871).

Almost surely, 2^234998380565 is an apocalyptic number.

It is an amenable number.

234998380565 is a deficient number, since it is larger than the sum of its proper divisors (68703569371).

234998380565 is a wasteful number, since it uses less digits than its factorization.

234998380565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139720.

The product of its (nonzero) digits is 55987200, while the sum is 62.

The spelling of 234998380565 in words is "two hundred thirty-four billion, nine hundred ninety-eight million, three hundred eighty thousand, five hundred sixty-five".