4290030021 has 16 divisors (see below), whose sum is σ = 5834868608. Its totient is φ = 2802945600.

The previous prime is 4290030013. The next prime is 4290030049. The reversal of 4290030021 is 1200300924.

4290030021 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4290030021 - 2³ = 4290030013 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4290030021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4290030011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8376 + ... + 93006.

It is an arithmetic number, because the mean of its divisors is an integer number (364679288).

Almost surely, 2^4290030021 is an apocalyptic number.

It is an amenable number.

4290030021 is a deficient number, since it is larger than the sum of its proper divisors (1544838587).

4290030021 is a wasteful number, since it uses less digits than its factorization.

4290030021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84972.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 4290030021 is about 65498.3207494665. The cubic root of 4290030021 is about 1624.8755749780.

Adding to 4290030021 its reverse (1200300924), we get a palindrome (5490330945).

The spelling of 4290030021 in words is "four billion, two hundred ninety million, thirty thousand, twenty-one".