263435507413 has 8 divisors (see below), whose sum is σ = 287586076568. Its totient is φ = 239840123904.

The previous prime is 263435507351. The next prime is 263435507431. The reversal of 263435507413 is 314705534362.

It can be written as a sum of positive squares in 4 ways, for example, as 30843438129 + 232592069284 = 175623^2 + 482278^2 .

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 263435507413 - 2³⁷ = 125996553941 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 263435507413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263435507513) 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, 138795420 + ... + 138797317.

It is an arithmetic number, because the mean of its divisors is an integer number (35948259571).

Almost surely, 2^263435507413 is an apocalyptic number.

It is an amenable number.

263435507413 is a deficient number, since it is larger than the sum of its proper divisors (24150569155).

263435507413 is a wasteful number, since it uses less digits than its factorization.

263435507413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277592823.

The product of its (nonzero) digits is 907200, while the sum is 43.

The spelling of 263435507413 in words is "two hundred sixty-three billion, four hundred thirty-five million, five hundred seven thousand, four hundred thirteen".