4008574421 has 4 divisors (see below), whose sum is σ = 4014531372. Its totient is φ = 4002617472.

The previous prime is 4008574351. The next prime is 4008574439. The reversal of 4008574421 is 1244758004.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2622873796 + 1385700625 = 51214^2 + 37225^2 .

It is a cyclic number.

It is not a de Polignac number, because 4008574421 - 2¹⁰ = 4008573397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4008574621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2977466 + ... + 2978811.

It is an arithmetic number, because the mean of its divisors is an integer number (1003632843).

Almost surely, 2^4008574421 is an apocalyptic number.

It is an amenable number.

4008574421 is a deficient number, since it is larger than the sum of its proper divisors (5956951).

4008574421 is an equidigital number, since it uses as much as digits as its factorization.

4008574421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5956950.

The product of its (nonzero) digits is 35840, while the sum is 35.

The square root of 4008574421 is about 63313.3036651856. The cubic root of 4008574421 is about 1588.5344962109.

The spelling of 4008574421 in words is "four billion, eight million, five hundred seventy-four thousand, four hundred twenty-one".