6381979541 has 8 divisors (see below), whose sum is σ = 7294191360. Its totient is φ = 5469892848.

The previous prime is 6381979519. The next prime is 6381979573. The reversal of 6381979541 is 1459791836.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6381979541 - 2²² = 6377785237 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 (6381979841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142100 + ... + 181538.

It is an arithmetic number, because the mean of its divisors is an integer number (911773920).

Almost surely, 2^6381979541 is an apocalyptic number.

It is an amenable number.

6381979541 is a deficient number, since it is larger than the sum of its proper divisors (912211819).

6381979541 is a wasteful number, since it uses less digits than its factorization.

6381979541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62563.

The product of its digits is 1632960, while the sum is 53.

The square root of 6381979541 is about 79887.2927379568. The cubic root of 6381979541 is about 1854.8913211686.

The spelling of 6381979541 in words is "six billion, three hundred eighty-one million, nine hundred seventy-nine thousand, five hundred forty-one".