4000834529 has 4 divisors (see below), whose sum is σ = 4000963776. Its totient is φ = 4000705284.

The previous prime is 4000834507. The next prime is 4000834589. The reversal of 4000834529 is 9254380004.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4000834529 - 2⁸ = 4000834273 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4000834589) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12452 + ... + 90314.

It is an arithmetic number, because the mean of its divisors is an integer number (1000240944).

Almost surely, 2^4000834529 is an apocalyptic number.

It is an amenable number.

4000834529 is a deficient number, since it is larger than the sum of its proper divisors (129247).

4000834529 is an equidigital number, since it uses as much as digits as its factorization.

4000834529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129246.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 4000834529 is about 63252.1503903227. The cubic root of 4000834529 is about 1587.5114386429.

The spelling of 4000834529 in words is "four billion, eight hundred thirty-four thousand, five hundred twenty-nine".