4034520691 has 2 divisors, whose sum is σ = 4034520692. Its totient is φ = 4034520690.

The previous prime is 4034520671. The next prime is 4034520727. The reversal of 4034520691 is 1960254304.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4034520691 - 2⁹ = 4034520179 is a prime.

It is a super-2 number, since 2×4034520691² = 32554714412214234962, which contains 22 as substring.

It is a zygodrome in base 2.

It is not a weakly prime, because it can be changed into another prime (4034520671) 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, 2017260345 + 2017260346.

It is an arithmetic number, because the mean of its divisors is an integer number (2017260346).

Almost surely, 2^4034520691 is an apocalyptic number.

4034520691 is a deficient number, since it is larger than the sum of its proper divisors (1).

4034520691 is an equidigital number, since it uses as much as digits as its factorization.

4034520691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 4034520691 is about 63517.8769402756. The cubic root of 4034520691 is about 1591.9544930880.

Adding to 4034520691 its reverse (1960254304), we get a palindrome (5994774995).

The spelling of 4034520691 in words is "four billion, thirty-four million, five hundred twenty thousand, six hundred ninety-one".