243629807613 has 32 divisors (see below), whose sum is σ = 343402267392. Its totient is φ = 153333312000.

The previous prime is 243629807609. The next prime is 243629807647. The reversal of 243629807613 is 316708926342.

It is not a de Polignac number, because 243629807613 - 2² = 243629807609 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243629806613) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2154033 + ... + 2264313.

It is an arithmetic number, because the mean of its divisors is an integer number (10731320856).

Almost surely, 2^243629807613 is an apocalyptic number.

243629807613 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

243629807613 is a deficient number, since it is larger than the sum of its proper divisors (99772459779).

243629807613 is a wasteful number, since it uses less digits than its factorization.

243629807613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110725.

The product of its (nonzero) digits is 2612736, while the sum is 51.

The spelling of 243629807613 in words is "two hundred forty-three billion, six hundred twenty-nine million, eight hundred seven thousand, six hundred thirteen".