63620144701 has 12 divisors (see below), whose sum is σ = 67614582580. Its totient is φ = 59849487360.

The previous prime is 63620144677. The next prime is 63620144759. The reversal of 63620144701 is 10744102636.

It can be written as a sum of positive squares in 6 ways, for example, as 3027860676 + 60592284025 = 55026^2 + 246155^2 .

It is not a de Polignac number, because 63620144701 - 2¹⁹ = 63619620413 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 (63620144101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 573595 + ... + 675463.

Almost surely, 2^63620144701 is an apocalyptic number.

It is an amenable number.

63620144701 is a deficient number, since it is larger than the sum of its proper divisors (3994437879).

63620144701 is a wasteful number, since it uses less digits than its factorization.

63620144701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104064 (or 104047 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The spelling of 63620144701 in words is "sixty-three billion, six hundred twenty million, one hundred forty-four thousand, seven hundred one".