4041957421 has 4 divisors (see below), whose sum is σ = 4079732832. Its totient is φ = 4004182012.

The previous prime is 4041957379. The next prime is 4041957433. The reversal of 4041957421 is 1247591404.

4041957421 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4041957421 - 2¹¹ = 4041955373 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 (4041957721) 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, 18887545 + ... + 18887758.

It is an arithmetic number, because the mean of its divisors is an integer number (1019933208).

Almost surely, 2^4041957421 is an apocalyptic number.

It is an amenable number.

4041957421 is a deficient number, since it is larger than the sum of its proper divisors (37775411).

4041957421 is a wasteful number, since it uses less digits than its factorization.

4041957421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37775410.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 4041957421 is about 63576.3904370168. The cubic root of 4041957421 is about 1592.9320292025.

The spelling of 4041957421 in words is "four billion, forty-one million, nine hundred fifty-seven thousand, four hundred twenty-one".