40706670659 has 2 divisors, whose sum is σ = 40706670660. Its totient is φ = 40706670658.

The previous prime is 40706670647. The next prime is 40706670677. The reversal of 40706670659 is 95607660704.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40706670659 is a prime.

It is a super-2 number, since 2×40706670659² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40706670559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20353335329 + 20353335330.

It is an arithmetic number, because the mean of its divisors is an integer number (20353335330).

Almost surely, 2^40706670659 is an apocalyptic number.

40706670659 is a deficient number, since it is larger than the sum of its proper divisors (1).

40706670659 is an equidigital number, since it uses as much as digits as its factorization.

40706670659 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1905120, while the sum is 50.

The spelling of 40706670659 in words is "forty billion, seven hundred six million, six hundred seventy thousand, six hundred fifty-nine".