40637732419 has 2 divisors, whose sum is σ = 40637732420. Its totient is φ = 40637732418.

The previous prime is 40637732389. The next prime is 40637732423. The reversal of 40637732419 is 91423773604.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40637732419 is a prime.

It is a super-3 number, since 3×40637732419³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (40637732119) 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, 20318866209 + 20318866210.

It is an arithmetic number, because the mean of its divisors is an integer number (20318866210).

Almost surely, 2^40637732419 is an apocalyptic number.

40637732419 is a deficient number, since it is larger than the sum of its proper divisors (1).

40637732419 is an equidigital number, since it uses as much as digits as its factorization.

40637732419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 762048, while the sum is 46.

The spelling of 40637732419 in words is "forty billion, six hundred thirty-seven million, seven hundred thirty-two thousand, four hundred nineteen".