6506347541 has 4 divisors (see below), whose sum is σ = 6557578752. Its totient is φ = 6455116332.

The previous prime is 6506347537. The next prime is 6506347553. The reversal of 6506347541 is 1457436056.

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 6506347541 - 2² = 6506347537 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 (6506347241) 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, 25615415 + ... + 25615668.

It is an arithmetic number, because the mean of its divisors is an integer number (1639394688).

Almost surely, 2^6506347541 is an apocalyptic number.

It is an amenable number.

6506347541 is a deficient number, since it is larger than the sum of its proper divisors (51231211).

6506347541 is a wasteful number, since it uses less digits than its factorization.

6506347541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51231210.

The product of its (nonzero) digits is 302400, while the sum is 41.

The square root of 6506347541 is about 80661.9336552255. The cubic root of 6506347541 is about 1866.8628748085.

The spelling of 6506347541 in words is "six billion, five hundred six million, three hundred forty-seven thousand, five hundred forty-one".