667419008239 has 2 divisors, whose sum is σ = 667419008240. Its totient is φ = 667419008238.

The previous prime is 667419008213. The next prime is 667419008297. The reversal of 667419008239 is 932800914766.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 667419008239 - 2¹⁵ = 667418975471 is a prime.

It is a super-2 number, since 2×667419008239² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 667419008239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (667419008939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333709504119 + 333709504120.

It is an arithmetic number, because the mean of its divisors is an integer number (333709504120).

Almost surely, 2^667419008239 is an apocalyptic number.

667419008239 is a deficient number, since it is larger than the sum of its proper divisors (1).

667419008239 is an equidigital number, since it uses as much as digits as its factorization.

667419008239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3919104, while the sum is 55.

The spelling of 667419008239 in words is "six hundred sixty-seven billion, four hundred nineteen million, eight thousand, two hundred thirty-nine".