63463622401 has 16 divisors (see below), whose sum is σ = 64954705680. Its totient is φ = 61993451520.

The previous prime is 63463622399. The next prime is 63463622441. The reversal of 63463622401 is 10422636436.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 30572172801 + 32891449600 = 174849^2 + 181360^2 .

It is a cyclic number.

It is not a de Polignac number, because 63463622401 - 2¹ = 63463622399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63463622441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3137761 + ... + 3157921.

It is an arithmetic number, because the mean of its divisors is an integer number (4059669105).

Almost surely, 2^63463622401 is an apocalyptic number.

It is an amenable number.

63463622401 is a deficient number, since it is larger than the sum of its proper divisors (1491083279).

63463622401 is a wasteful number, since it uses less digits than its factorization.

63463622401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20676.

The product of its (nonzero) digits is 124416, while the sum is 37.

The spelling of 63463622401 in words is "sixty-three billion, four hundred sixty-three million, six hundred twenty-two thousand, four hundred one".