4094029021 has 8 divisors (see below), whose sum is σ = 4206638304. Its totient is φ = 3981522960.

The previous prime is 4094029013. The next prime is 4094029031. The reversal of 4094029021 is 1209204904.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 4094029021 - 2³ = 4094029013 is a prime.

It is a super-2 number, since 2×4094029021² = 33522147249580436882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4094029031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58326 + ... + 107656.

It is an arithmetic number, because the mean of its divisors is an integer number (525829788).

Almost surely, 2^4094029021 is an apocalyptic number.

It is an amenable number.

4094029021 is a deficient number, since it is larger than the sum of its proper divisors (112609283).

4094029021 is a wasteful number, since it uses less digits than its factorization.

4094029021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51611.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 4094029021 is about 63984.5998737196. The cubic root of 4094029021 is about 1599.7433209340.

The spelling of 4094029021 in words is "four billion, ninety-four million, twenty-nine thousand, twenty-one".