40303741691 has 2 divisors, whose sum is σ = 40303741692. Its totient is φ = 40303741690.

The previous prime is 40303741679. The next prime is 40303741727. The reversal of 40303741691 is 19614730304.

40303741691 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 is a cyclic number.

It is not a de Polignac number, because 40303741691 - 2¹⁰ = 40303740667 is a prime.

It is not a weakly prime, because it can be changed into another prime (40303741651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20151870845 + 20151870846.

It is an arithmetic number, because the mean of its divisors is an integer number (20151870846).

Almost surely, 2^40303741691 is an apocalyptic number.

40303741691 is a deficient number, since it is larger than the sum of its proper divisors (1).

40303741691 is an equidigital number, since it uses as much as digits as its factorization.

40303741691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 38.

The spelling of 40303741691 in words is "forty billion, three hundred three million, seven hundred forty-one thousand, six hundred ninety-one".