6456246426547 has 8 divisors (see below), whose sum is σ = 6474400070400. Its totient is φ = 6438093726024.

The previous prime is 6456246426541. The next prime is 6456246426563. The reversal of 6456246426547 is 7456246426546.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6456246426547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6456246426541) 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, 14819848 + ... + 15249274.

It is an arithmetic number, because the mean of its divisors is an integer number (809300008800).

Almost surely, 2^{6456246426547} is an apocalyptic number.

6456246426547 is a deficient number, since it is larger than the sum of its proper divisors (18153643853).

6456246426547 is a wasteful number, since it uses less digits than its factorization.

6456246426547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471665.

The product of its digits is 232243200, while the sum is 61.

Subtracting 6456246426547 from its reverse (7456246426546), we obtain a palindrome (999999999999).

The spelling of 6456246426547 in words is "six trillion, four hundred fifty-six billion, two hundred forty-six million, four hundred twenty-six thousand, five hundred forty-seven".