4143774021 has 32 divisors (see below), whose sum is σ = 5892870528. Its totient is φ = 2581063680.

The previous prime is 4143774017. The next prime is 4143774031. The reversal of 4143774021 is 1204773414.

It is not a de Polignac number, because 4143774021 - 2² = 4143774017 is a prime.

It is a super-2 number, since 2×4143774021² = 34341726274229016882, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4143774031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7359886 + ... + 7360448.

It is an arithmetic number, because the mean of its divisors is an integer number (184152204).

Almost surely, 2^4143774021 is an apocalyptic number.

It is an amenable number.

4143774021 is a deficient number, since it is larger than the sum of its proper divisors (1749096507).

4143774021 is a wasteful number, since it uses less digits than its factorization.

4143774021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1381.

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 4143774021 is about 64372.1525273157. The cubic root of 4143774021 is about 1606.1965464283.

The spelling of 4143774021 in words is "four billion, one hundred forty-three million, seven hundred seventy-four thousand, twenty-one".