40034123659 has 2 divisors, whose sum is σ = 40034123660. Its totient is φ = 40034123658.

The previous prime is 40034123653. The next prime is 40034123663. The reversal of 40034123659 is 95632143004.

40034123659 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40034123659 - 2³ = 40034123651 is a prime.

It is not a weakly prime, because it can be changed into another prime (40034123651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20017061829 + 20017061830.

It is an arithmetic number, because the mean of its divisors is an integer number (20017061830).

Almost surely, 2^40034123659 is an apocalyptic number.

40034123659 is a deficient number, since it is larger than the sum of its proper divisors (1).

40034123659 is an equidigital number, since it uses as much as digits as its factorization.

40034123659 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 37.

The spelling of 40034123659 in words is "forty billion, thirty-four million, one hundred twenty-three thousand, six hundred fifty-nine".