243152660413 has 16 divisors (see below), whose sum is σ = 277493252400. Its totient is φ = 211423403520.

The previous prime is 243152660389. The next prime is 243152660437. The reversal of 243152660413 is 314066251342.

It is an interprime number because it is at equal distance from previous prime (243152660389) and next prime (243152660437).

It can be written as a sum of positive squares in 8 ways, for example, as 7036357689 + 236116302724 = 83883^2 + 485918^2 .

It is a cyclic number.

It is not a de Polignac number, because 243152660413 - 2²⁵ = 243119105981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243152660453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7849998 + ... + 7880911.

It is an arithmetic number, because the mean of its divisors is an integer number (17343328275).

Almost surely, 2^243152660413 is an apocalyptic number.

It is an amenable number.

243152660413 is a deficient number, since it is larger than the sum of its proper divisors (34340591987).

243152660413 is a wasteful number, since it uses less digits than its factorization.

243152660413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15730992.

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 243152660413 in words is "two hundred forty-three billion, one hundred fifty-two million, six hundred sixty thousand, four hundred thirteen".