63427046564641 has 4 divisors (see below), whose sum is σ = 63847093230784. Its totient is φ = 63006999898500.

The previous prime is 63427046564611. The next prime is 63427046564659. The reversal of 63427046564641 is 14646564072436.

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 63427046564641 - 2⁴⁵ = 28242674475809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63427046564611) 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, 210023332845 + ... + 210023333146.

It is an arithmetic number, because the mean of its divisors is an integer number (15961773307696).

Almost surely, 2^{63427046564641} is an apocalyptic number.

It is an amenable number.

63427046564641 is a deficient number, since it is larger than the sum of its proper divisors (420046666143).

63427046564641 is a wasteful number, since it uses less digits than its factorization.

63427046564641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420046666142.

The product of its (nonzero) digits is 69672960, while the sum is 58.

The spelling of 63427046564641 in words is "sixty-three trillion, four hundred twenty-seven billion, forty-six million, five hundred sixty-four thousand, six hundred forty-one".