5865840421 has 12 divisors (see below), whose sum is σ = 6889782432. Its totient is φ = 4979044728.

The previous prime is 5865840403. The next prime is 5865840427. The reversal of 5865840421 is 1240485685.

It is not a de Polignac number, because 5865840421 - 2⁵ = 5865840389 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 (5865840427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 576075 + ... + 586168.

It is an arithmetic number, because the mean of its divisors is an integer number (574148536).

Almost surely, 2^5865840421 is an apocalyptic number.

It is an amenable number.

5865840421 is a deficient number, since it is larger than the sum of its proper divisors (1023942011).

5865840421 is a wasteful number, since it uses less digits than its factorization.

5865840421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162360 (or 1162353 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 43.

The square root of 5865840421 is about 76588.7747715029. The cubic root of 5865840421 is about 1803.4748125211.

The spelling of 5865840421 in words is "five billion, eight hundred sixty-five million, eight hundred forty thousand, four hundred twenty-one".