2129448974 has 16 divisors (see below), whose sum is σ = 3336992640. Its totient is φ = 1017227640.

The previous prime is 2129448973. The next prime is 2129448983. The reversal of 2129448974 is 4798449212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2129448973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12569 + ... + 66459.

It is an arithmetic number, because the mean of its divisors is an integer number (208562040).

Almost surely, 2^2129448974 is an apocalyptic number.

2129448974 is a deficient number, since it is larger than the sum of its proper divisors (1207543666).

2129448974 is a wasteful number, since it uses less digits than its factorization.

2129448974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54775.

The product of its digits is 1161216, while the sum is 50.

The square root of 2129448974 is about 46145.9529536448. The cubic root of 2129448974 is about 1286.5373906854.

The spelling of 2129448974 in words is "two billion, one hundred twenty-nine million, four hundred forty-eight thousand, nine hundred seventy-four".