2666263853343 has 8 divisors (see below), whose sum is σ = 3555257170608. Its totient is φ = 1777389885824.

The previous prime is 2666263853327. The next prime is 2666263853347. The reversal of 2666263853343 is 3433583626662.

It is a happy number.

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 2666263853343 - 2⁴ = 2666263853327 is a prime.

It is a super-2 number, since 2×2666263853343² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2666263853347) 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, 29785296 + ... + 29874677.

It is an arithmetic number, because the mean of its divisors is an integer number (444407146326).

Almost surely, 2^{2666263853343} is an apocalyptic number.

2666263853343 is a deficient number, since it is larger than the sum of its proper divisors (888993317265).

2666263853343 is a wasteful number, since it uses less digits than its factorization.

2666263853343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59674873.

The product of its digits is 67184640, while the sum is 57.

The spelling of 2666263853343 in words is "two trillion, six hundred sixty-six billion, two hundred sixty-three million, eight hundred fifty-three thousand, three hundred forty-three".