5266678493 has 8 divisors (see below), whose sum is σ = 5428239936. Its totient is φ = 5106693600.

The previous prime is 5266678477. The next prime is 5266678517. The reversal of 5266678493 is 3948766625.

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 5266678493 - 2⁴ = 5266678477 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5266678463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 387353 + ... + 400718.

It is an arithmetic number, because the mean of its divisors is an integer number (678529992).

Almost surely, 2^5266678493 is an apocalyptic number.

It is an amenable number.

5266678493 is a deficient number, since it is larger than the sum of its proper divisors (161561443).

5266678493 is a wasteful number, since it uses less digits than its factorization.

5266678493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788275.

The product of its digits is 13063680, while the sum is 56.

The square root of 5266678493 is about 72571.8850037671. The cubic root of 5266678493 is about 1739.8518494772.

The spelling of 5266678493 in words is "five billion, two hundred sixty-six million, six hundred seventy-eight thousand, four hundred ninety-three".