2129743055 has 8 divisors (see below), whose sum is σ = 2788027344. Its totient is φ = 1548904000.

The previous prime is 2129743037. The next prime is 2129743069. The reversal of 2129743055 is 5503479212.

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

It is not a de Polignac number, because 2129743055 - 2²⁰ = 2128694479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19361246 + ... + 19361355.

It is an arithmetic number, because the mean of its divisors is an integer number (348503418).

Almost surely, 2^2129743055 is an apocalyptic number.

2129743055 is a deficient number, since it is larger than the sum of its proper divisors (658284289).

2129743055 is a wasteful number, since it uses less digits than its factorization.

2129743055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38722617.

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 2129743055 is about 46149.1392660795. The cubic root of 2129743055 is about 1286.5966123888.

The spelling of 2129743055 in words is "two billion, one hundred twenty-nine million, seven hundred forty-three thousand, fifty-five".