40373421659 has 2 divisors, whose sum is σ = 40373421660. Its totient is φ = 40373421658.

The previous prime is 40373421607. The next prime is 40373421677. The reversal of 40373421659 is 95612437304.

40373421659 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 a de Polignac number, because none of the positive numbers 2^k-40373421659 is a prime.

It is not a weakly prime, because it can be changed into another prime (40373421679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20186710829 + 20186710830.

It is an arithmetic number, because the mean of its divisors is an integer number (20186710830).

Almost surely, 2^40373421659 is an apocalyptic number.

40373421659 is a deficient number, since it is larger than the sum of its proper divisors (1).

40373421659 is an equidigital number, since it uses as much as digits as its factorization.

40373421659 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 544320, while the sum is 44.

The spelling of 40373421659 in words is "forty billion, three hundred seventy-three million, four hundred twenty-one thousand, six hundred fifty-nine".