266004213263354 has 4 divisors (see below), whose sum is σ = 399006319895034. Its totient is φ = 133002106631676.

The previous prime is 266004213263273. The next prime is 266004213263377. The reversal of 266004213263354 is 453362312400662.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 220204141882729 + 45800071380625 = 14839277^2 + 6767575^2 .

It is a junction number, because it is equal to n+sod(n) for n = 266004213263299 and 266004213263308.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66501053315837 + ... + 66501053315840.

Almost surely, 2^{266004213263354} is an apocalyptic number.

266004213263354 is a deficient number, since it is larger than the sum of its proper divisors (133002106631680).

266004213263354 is a wasteful number, since it uses less digits than its factorization.

266004213263354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133002106631679.

The product of its (nonzero) digits is 3732480, while the sum is 47.

The spelling of 266004213263354 in words is "two hundred sixty-six trillion, four billion, two hundred thirteen million, two hundred sixty-three thousand, three hundred fifty-four".