6640011319 has 2 divisors, whose sum is σ = 6640011320. Its totient is φ = 6640011318.

The previous prime is 6640011239. The next prime is 6640011373. The reversal of 6640011319 is 9131100466.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6640011319 - 2¹⁵ = 6639978551 is a prime.

It is a super-2 number, since 2×6640011319² = 88179500632896239522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6640011619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3320005659 + 3320005660.

It is an arithmetic number, because the mean of its divisors is an integer number (3320005660).

Almost surely, 2^6640011319 is an apocalyptic number.

6640011319 is a deficient number, since it is larger than the sum of its proper divisors (1).

6640011319 is an equidigital number, since it uses as much as digits as its factorization.

6640011319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 6640011319 is about 81486.2646033060. The cubic root of 6640011319 is about 1879.5603429986.

The spelling of 6640011319 in words is "six billion, six hundred forty million, eleven thousand, three hundred nineteen".