2041221529 has 4 divisors (see below), whose sum is σ = 2069971200. Its totient is φ = 2012471860.

The previous prime is 2041221517. The next prime is 2041221563. The reversal of 2041221529 is 9251221402.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2041221529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2041221497 and 2041221506.

It is not an unprimeable number, because it can be changed into a prime (2041221029) 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, 14374729 + ... + 14374870.

It is an arithmetic number, because the mean of its divisors is an integer number (517492800).

Almost surely, 2^2041221529 is an apocalyptic number.

It is an amenable number.

2041221529 is a deficient number, since it is larger than the sum of its proper divisors (28749671).

2041221529 is an equidigital number, since it uses as much as digits as its factorization.

2041221529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28749670.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 2041221529 is about 45179.8796921816. The cubic root of 2041221529 is about 1268.5182315236.

The spelling of 2041221529 in words is "two billion, forty-one million, two hundred twenty-one thousand, five hundred twenty-nine".