66944049483 has 6 divisors (see below), whose sum is σ = 89259330172. Its totient is φ = 44629067560.

The previous prime is 66944049463. The next prime is 66944049509. The reversal of 66944049483 is 38494044966.

66944049483 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 66944049483 - 2²⁰ = 66943000907 is a prime.

It is a super-2 number, since 2×66944049483² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66944049443) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 373453 + ... + 522833.

Almost surely, 2^66944049483 is an apocalyptic number.

66944049483 is a deficient number, since it is larger than the sum of its proper divisors (22315280689).

66944049483 is an frugal number, since it uses more digits than its factorization.

66944049483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298765 (or 149384 counting only the distinct ones).

The product of its (nonzero) digits is 17915904, while the sum is 57.

The spelling of 66944049483 in words is "sixty-six billion, nine hundred forty-four million, forty-nine thousand, four hundred eighty-three".