2153047829 has 4 divisors (see below), whose sum is σ = 2162702976. Its totient is φ = 2143392684.

The previous prime is 2153047823. The next prime is 2153047837. The reversal of 2153047829 is 9287403512.

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 not a de Polignac number, because 2153047829 - 2²⁰ = 2151999253 is a prime.

It is a super-2 number, since 2×2153047829² = 9271229907923226482, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2153047823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4827239 + ... + 4827684.

It is an arithmetic number, because the mean of its divisors is an integer number (540675744).

Almost surely, 2^2153047829 is an apocalyptic number.

It is an amenable number.

2153047829 is a deficient number, since it is larger than the sum of its proper divisors (9655147).

2153047829 is an equidigital number, since it uses as much as digits as its factorization.

2153047829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9655146.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 2153047829 is about 46400.9464235375. The cubic root of 2153047829 is about 1291.2724717457.

The spelling of 2153047829 in words is "two billion, one hundred fifty-three million, forty-seven thousand, eight hundred twenty-nine".