63602501401 has 2 divisors, whose sum is σ = 63602501402. Its totient is φ = 63602501400.

The previous prime is 63602501399. The next prime is 63602501411. The reversal of 63602501401 is 10410520636.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32202661401 + 31399840000 = 179451^2 + 177200^2 .

It is a cyclic number.

It is not a de Polignac number, because 63602501401 - 2¹ = 63602501399 is a prime.

Together with 63602501399, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 63602501401.

It is not a weakly prime, because it can be changed into another prime (63602501411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31801250700 + 31801250701.

It is an arithmetic number, because the mean of its divisors is an integer number (31801250701).

Almost surely, 2^63602501401 is an apocalyptic number.

It is an amenable number.

63602501401 is a deficient number, since it is larger than the sum of its proper divisors (1).

63602501401 is an equidigital number, since it uses as much as digits as its factorization.

63602501401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 28.

The spelling of 63602501401 in words is "sixty-three billion, six hundred two million, five hundred one thousand, four hundred one".