243400412535 has 32 divisors (see below), whose sum is σ = 445113080832. Its totient is φ = 111259249920.

The previous prime is 243400412483. The next prime is 243400412581. The reversal of 243400412535 is 535214004342.

It is not a de Polignac number, because 243400412535 - 2⁷ = 243400412407 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 243400412496 and 243400412505.

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 31 ways as a sum of consecutive naturals, for example, 1218315 + ... + 1403955.

It is an arithmetic number, because the mean of its divisors is an integer number (13909783776).

Almost surely, 2^243400412535 is an apocalyptic number.

243400412535 is a deficient number, since it is larger than the sum of its proper divisors (201712668297).

243400412535 is a wasteful number, since it uses less digits than its factorization.

243400412535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198143.

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 243400412535 its reverse (535214004342), we get a palindrome (778614416877).

The spelling of 243400412535 in words is "two hundred forty-three billion, four hundred million, four hundred twelve thousand, five hundred thirty-five".