4040737691 has 2 divisors, whose sum is σ = 4040737692. Its totient is φ = 4040737690.

The previous prime is 4040737651. The next prime is 4040737703. The reversal of 4040737691 is 1967370404.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4040737691 is a prime.

It is a super-2 number, since 2×4040737691² = 32655122174936022962, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4040737601) 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, 2020368845 + 2020368846.

It is an arithmetic number, because the mean of its divisors is an integer number (2020368846).

Almost surely, 2^4040737691 is an apocalyptic number.

4040737691 is a deficient number, since it is larger than the sum of its proper divisors (1).

4040737691 is an equidigital number, since it uses as much as digits as its factorization.

4040737691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 4040737691 is about 63566.7970799222. The cubic root of 4040737691 is about 1592.7717815590.

The spelling of 4040737691 in words is "four billion, forty million, seven hundred thirty-seven thousand, six hundred ninety-one".