40427019683 has 2 divisors, whose sum is σ = 40427019684. Its totient is φ = 40427019682.

The previous prime is 40427019631. The next prime is 40427019697. The reversal of 40427019683 is 38691072404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40427019683 - 2⁸ = 40427019427 is a prime.

It is not a weakly prime, because it can be changed into another prime (40427019613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20213509841 + 20213509842.

It is an arithmetic number, because the mean of its divisors is an integer number (20213509842).

Almost surely, 2^40427019683 is an apocalyptic number.

40427019683 is a deficient number, since it is larger than the sum of its proper divisors (1).

40427019683 is an equidigital number, since it uses as much as digits as its factorization.

40427019683 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304, while the sum is 44.

The spelling of 40427019683 in words is "forty billion, four hundred twenty-seven million, nineteen thousand, six hundred eighty-three".