3069428021 has 8 divisors (see below), whose sum is σ = 3426338784. Its totient is φ = 2725495920.

The previous prime is 3069427961. The next prime is 3069428023. The reversal of 3069428021 is 1208249603.

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 3069428021 - 2³⁰ = 1995686197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3069428023) 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, 3244166 + ... + 3245111.

It is an arithmetic number, because the mean of its divisors is an integer number (428292348).

Almost surely, 2^3069428021 is an apocalyptic number.

It is an amenable number.

3069428021 is a deficient number, since it is larger than the sum of its proper divisors (356910763).

3069428021 is a wasteful number, since it uses less digits than its factorization.

3069428021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6489331.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 3069428021 is about 55402.4189092859. The cubic root of 3069428021 is about 1453.2906668952.

The spelling of 3069428021 in words is "three billion, sixty-nine million, four hundred twenty-eight thousand, twenty-one".