6420614141 has 4 divisors (see below), whose sum is σ = 6421715484. Its totient is φ = 6419512800.

The previous prime is 6420614093. The next prime is 6420614149. The reversal of 6420614141 is 1414160246.

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 3650697241 + 2769916900 = 60421^2 + 52630^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6420614141 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 (6420614149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 541880 + ... + 553601.

It is an arithmetic number, because the mean of its divisors is an integer number (1605428871).

Almost surely, 2^6420614141 is an apocalyptic number.

It is an amenable number.

6420614141 is a deficient number, since it is larger than the sum of its proper divisors (1101343).

6420614141 is a wasteful number, since it uses less digits than its factorization.

6420614141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101342.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 6420614141 is about 80128.7348021919. The cubic root of 6420614141 is about 1858.6267797042.

Adding to 6420614141 its reverse (1414160246), we get a palindrome (7834774387).

The spelling of 6420614141 in words is "six billion, four hundred twenty million, six hundred fourteen thousand, one hundred forty-one".