40373421607 has 2 divisors, whose sum is σ = 40373421608. Its totient is φ = 40373421606.

The previous prime is 40373421587. The next prime is 40373421659. The reversal of 40373421607 is 70612437304.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40373421607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40373421677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20186710803 + 20186710804.

It is an arithmetic number, because the mean of its divisors is an integer number (20186710804).

Almost surely, 2^40373421607 is an apocalyptic number.

40373421607 is a deficient number, since it is larger than the sum of its proper divisors (1).

40373421607 is an equidigital number, since it uses as much as digits as its factorization.

40373421607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 37.

The spelling of 40373421607 in words is "forty billion, three hundred seventy-three million, four hundred twenty-one thousand, six hundred seven".