2129904503 has 8 divisors (see below), whose sum is σ = 2259121920. Its totient is φ = 2002398840.

The previous prime is 2129904467. The next prime is 2129904523. The reversal of 2129904503 is 3054099212.

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 2129904503 - 2¹⁴ = 2129888119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2129904523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 425375 + ... + 430352.

It is an arithmetic number, because the mean of its divisors is an integer number (282390240).

Almost surely, 2^2129904503 is an apocalyptic number.

2129904503 is a deficient number, since it is larger than the sum of its proper divisors (129217417).

2129904503 is a wasteful number, since it uses less digits than its factorization.

2129904503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855877.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 2129904503 is about 46150.8884313184. Note that the first 3 decimals coincide. The cubic root of 2129904503 is about 1286.6291222889.

The spelling of 2129904503 in words is "two billion, one hundred twenty-nine million, nine hundred four thousand, five hundred three".