2921724212 has 12 divisors (see below), whose sum is σ = 5577837216. Its totient is φ = 1328056440.

The previous prime is 2921724173. The next prime is 2921724233. The reversal of 2921724212 is 2124271292.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 33201368 + ... + 33201455.

It is an arithmetic number, because the mean of its divisors is an integer number (464819768).

Almost surely, 2^2921724212 is an apocalyptic number.

2921724212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2921724212 is a deficient number, since it is larger than the sum of its proper divisors (2656113004).

2921724212 is a wasteful number, since it uses less digits than its factorization.

2921724212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66402838 (or 66402836 counting only the distinct ones).

The product of its digits is 8064, while the sum is 32.

The square root of 2921724212 is about 54052.9759772762. The cubic root of 2921724212 is about 1429.5951731952.

The spelling of 2921724212 in words is "two billion, nine hundred twenty-one million, seven hundred twenty-four thousand, two hundred twelve".