40469508179693 has 2 divisors, whose sum is σ = 40469508179694. Its totient is φ = 40469508179692.

The previous prime is 40469508179687. The next prime is 40469508179743. The reversal of 40469508179693 is 39697180596404.

40469508179693 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29757221380324 + 10712286799369 = 5455018^2 + 3272963^2 .

It is a cyclic number.

It is not a de Polignac number, because 40469508179693 - 2⁶ = 40469508179629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40469508199693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20234754089846 + 20234754089847.

It is an arithmetic number, because the mean of its divisors is an integer number (20234754089847).

Almost surely, 2^{40469508179693} is an apocalyptic number.

It is an amenable number.

40469508179693 is a deficient number, since it is larger than the sum of its proper divisors (1).

40469508179693 is an equidigital number, since it uses as much as digits as its factorization.

40469508179693 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 352719360, while the sum is 71.

The spelling of 40469508179693 in words is "forty trillion, four hundred sixty-nine billion, five hundred eight million, one hundred seventy-nine thousand, six hundred ninety-three".