2129474229 has 8 divisors (see below), whose sum is σ = 2988735840. Its totient is φ = 1344931056.

The previous prime is 2129474201. The next prime is 2129474233. The reversal of 2129474229 is 9224749212.

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

It is not a de Polignac number, because 2129474229 - 2⁷ = 2129474101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2129474239) 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, 18679542 + ... + 18679655.

It is an arithmetic number, because the mean of its divisors is an integer number (373591980).

Almost surely, 2^2129474229 is an apocalyptic number.

It is an amenable number.

2129474229 is a deficient number, since it is larger than the sum of its proper divisors (859261611).

2129474229 is a wasteful number, since it uses less digits than its factorization.

2129474229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37359219.

The product of its digits is 145152, while the sum is 42.

The square root of 2129474229 is about 46146.2265954650. The cubic root of 2129474229 is about 1286.5424767231.

The spelling of 2129474229 in words is "two billion, one hundred twenty-nine million, four hundred seventy-four thousand, two hundred twenty-nine".