6662739509119 has 16 divisors (see below), whose sum is σ = 6868659189600. Its totient is φ = 6458205527424.

The previous prime is 6662739509081. The next prime is 6662739509131. The reversal of 6662739509119 is 9119059372666.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 6662739509119 - 2²³ = 6662731120511 is a prime.

It is a super-2 number, since 2×6662739509119² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6662739509159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18813817 + ... + 19164685.

It is an arithmetic number, because the mean of its divisors is an integer number (429291199350).

Almost surely, 2^{6662739509119} is an apocalyptic number.

6662739509119 is a deficient number, since it is larger than the sum of its proper divisors (205919680481).

6662739509119 is a wasteful number, since it uses less digits than its factorization.

6662739509119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352842.

The product of its (nonzero) digits is 33067440, while the sum is 64.

The spelling of 6662739509119 in words is "six trillion, six hundred sixty-two billion, seven hundred thirty-nine million, five hundred nine thousand, one hundred nineteen".