63014643402661 has 8 divisors (see below), whose sum is σ = 63379101560184. Its totient is φ = 62650187678400.

The previous prime is 63014643402593. The next prime is 63014643402677. The reversal of 63014643402661 is 16620434641036.

It can be written as a sum of positive squares in 4 ways, for example, as 2070234646561 + 60944408756100 = 1438831^2 + 7806690^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 63014643402661 - 2¹¹ = 63014643400613 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 (63014643102661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91825111 + ... + 92508811.

It is an arithmetic number, because the mean of its divisors is an integer number (7922387695023).

Almost surely, 2^{63014643402661} is an apocalyptic number.

It is an amenable number.

63014643402661 is a deficient number, since it is larger than the sum of its proper divisors (364458157523).

63014643402661 is a wasteful number, since it uses less digits than its factorization.

63014643402661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1216631.

The product of its (nonzero) digits is 1492992, while the sum is 46.

The spelling of 63014643402661 in words is "sixty-three trillion, fourteen billion, six hundred forty-three million, four hundred two thousand, six hundred sixty-one".