133793493479 has 4 divisors (see below), whose sum is σ = 133828275984. Its totient is φ = 133758710976.

The previous prime is 133793493469. The next prime is 133793493497. The reversal of 133793493479 is 974394397331.

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

It is a cyclic number.

It is not a de Polignac number, because 133793493479 - 2²⁴ = 133776716263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133793493469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17385482 + ... + 17393175.

It is an arithmetic number, because the mean of its divisors is an integer number (33457068996).

Almost surely, 2^133793493479 is an apocalyptic number.

133793493479 is a deficient number, since it is larger than the sum of its proper divisors (34782505).

133793493479 is an equidigital number, since it uses as much as digits as its factorization.

133793493479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34782504.

The product of its digits is 46294416, while the sum is 62.

The spelling of 133793493479 in words is "one hundred thirty-three billion, seven hundred ninety-three million, four hundred ninety-three thousand, four hundred seventy-nine".