640131066059 has 2 divisors, whose sum is σ = 640131066060. Its totient is φ = 640131066058.

The previous prime is 640131065993. The next prime is 640131066067. The reversal of 640131066059 is 950660131046.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 640131066059 - 2⁸ = 640131065803 is a prime.

It is a super-3 number, since 3×640131066059³ (a number of 36 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (640131066859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 320065533029 + 320065533030.

It is an arithmetic number, because the mean of its divisors is an integer number (320065533030).

Almost surely, 2^640131066059 is an apocalyptic number.

640131066059 is a deficient number, since it is larger than the sum of its proper divisors (1).

640131066059 is an equidigital number, since it uses as much as digits as its factorization.

640131066059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 41.

The spelling of 640131066059 in words is "six hundred forty billion, one hundred thirty-one million, sixty-six thousand, fifty-nine".