2129752322 has 4 divisors (see below), whose sum is σ = 3194628486. Its totient is φ = 1064876160.

The previous prime is 2129752283. The next prime is 2129752349. The reversal of 2129752322 is 2232579212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1804635361 + 325116961 = 42481^2 + 18031^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 532438079 + ... + 532438082.

Almost surely, 2^2129752322 is an apocalyptic number.

2129752322 is a deficient number, since it is larger than the sum of its proper divisors (1064876164).

2129752322 is a wasteful number, since it uses less digits than its factorization.

2129752322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064876163.

The product of its digits is 30240, while the sum is 35.

The square root of 2129752322 is about 46149.2396687096. The cubic root of 2129752322 is about 1286.5984784784.

The spelling of 2129752322 in words is "two billion, one hundred twenty-nine million, seven hundred fifty-two thousand, three hundred twenty-two".