4029243621 has 8 divisors (see below), whose sum is σ = 5785580640. Its totient is φ = 2479534512.

The previous prime is 4029243587. The next prime is 4029243623. The reversal of 4029243621 is 1263429204.

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

It is not a de Polignac number, because 4029243621 - 2¹⁰ = 4029242597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4029243623) 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, 51656931 + ... + 51657008.

It is an arithmetic number, because the mean of its divisors is an integer number (723197580).

Almost surely, 2^4029243621 is an apocalyptic number.

It is an amenable number.

4029243621 is a deficient number, since it is larger than the sum of its proper divisors (1756337019).

4029243621 is a wasteful number, since it uses less digits than its factorization.

4029243621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103313955.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 4029243621 is about 63476.3233103493. The cubic root of 4029243621 is about 1591.2601090195.

The spelling of 4029243621 in words is "four billion, twenty-nine million, two hundred forty-three thousand, six hundred twenty-one".