2029485491821 has 8 divisors (see below), whose sum is σ = 2046782997504. Its totient is φ = 2012208569280.

The previous prime is 2029485491809. The next prime is 2029485491899. The reversal of 2029485491821 is 1281945849202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2029485491821 - 2²⁵ = 2029451937389 is a prime.

It is a super-2 number, since 2×2029485491821² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2029485491221) 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 in 7 ways as a sum of consecutive naturals, for example, 4947715 + ... + 5342176.

It is an arithmetic number, because the mean of its divisors is an integer number (255847874688).

Almost surely, 2^{2029485491821} is an apocalyptic number.

It is an amenable number.

2029485491821 is a deficient number, since it is larger than the sum of its proper divisors (17297505683).

2029485491821 is a wasteful number, since it uses less digits than its factorization.

2029485491821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10291571.

The product of its (nonzero) digits is 3317760, while the sum is 55.

The spelling of 2029485491821 in words is "two trillion, twenty-nine billion, four hundred eighty-five million, four hundred ninety-one thousand, eight hundred twenty-one".