63412622521601 has 4 divisors (see below), whose sum is σ = 63417890675412. Its totient is φ = 63407354367792.

The previous prime is 63412622521579. The next prime is 63412622521607. The reversal of 63412622521601 is 10612522621436.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22724298534001 + 40688323987600 = 4767001^2 + 6378740^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63412622521601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63412622521607) 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, 2634058850 + ... + 2634082923.

It is an arithmetic number, because the mean of its divisors is an integer number (15854472668853).

Almost surely, 2^{63412622521601} is an apocalyptic number.

It is an amenable number.

63412622521601 is a deficient number, since it is larger than the sum of its proper divisors (5268153811).

63412622521601 is a wasteful number, since it uses less digits than its factorization.

63412622521601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5268153810.

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 63412622521601 in words is "sixty-three trillion, four hundred twelve billion, six hundred twenty-two million, five hundred twenty-one thousand, six hundred one".