3021639009 has 8 divisors (see below), whose sum is σ = 4029442080. Its totient is φ = 2014130976.

The previous prime is 3021638981. The next prime is 3021639013. The reversal of 3021639009 is 9009361203.

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

It is not a de Polignac number, because 3021639009 - 2¹³ = 3021630817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3021639059) 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, 48639 + ... + 91700.

It is an arithmetic number, because the mean of its divisors is an integer number (503680260).

Almost surely, 2^3021639009 is an apocalyptic number.

It is an amenable number.

3021639009 is a deficient number, since it is larger than the sum of its proper divisors (1007803071).

3021639009 is a wasteful number, since it uses less digits than its factorization.

3021639009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147519.

The product of its (nonzero) digits is 8748, while the sum is 33.

The square root of 3021639009 is about 54969.4370445978. The cubic root of 3021639009 is about 1445.7089163262.

The spelling of 3021639009 in words is "three billion, twenty-one million, six hundred thirty-nine thousand, nine".