6420243141 has 40 divisors (see below), whose sum is σ = 10453064160. Its totient is φ = 3903264288.

The previous prime is 6420243119. The next prime is 6420243149. The reversal of 6420243141 is 1413420246.

It is a happy number.

6420243141 is a `hidden beast` number, since 642 + 0 + 2 + 4 + 3 + 14 + 1 = 666.

It is not a de Polignac number, because 6420243141 - 2⁶ = 6420243077 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6420243149) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 50670 + ... + 124128.

It is an arithmetic number, because the mean of its divisors is an integer number (261326604).

Almost surely, 2^6420243141 is an apocalyptic number.

It is an amenable number.

6420243141 is a deficient number, since it is larger than the sum of its proper divisors (4032821019).

6420243141 is a wasteful number, since it uses less digits than its factorization.

6420243141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73567 (or 73558 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 6420243141 is about 80126.4197440520. The cubic root of 6420243141 is about 1858.5909802307.

Adding to 6420243141 its reverse (1413420246), we get a palindrome (7833663387).

The spelling of 6420243141 in words is "six billion, four hundred twenty million, two hundred forty-three thousand, one hundred forty-one".