603631020063 has 16 divisors (see below), whose sum is σ = 816293348352. Its totient is φ = 396696300000.

The previous prime is 603631020017. The next prime is 603631020077. The reversal of 603631020063 is 360020136306.

It is not a de Polignac number, because 603631020063 - 2¹³ = 603631011871 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 603631020063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (603633020063) 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 15 ways as a sum of consecutive naturals, for example, 1325013 + ... + 1721313.

It is an arithmetic number, because the mean of its divisors is an integer number (51018334272).

Almost surely, 2^603631020063 is an apocalyptic number.

603631020063 is a deficient number, since it is larger than the sum of its proper divisors (212662328289).

603631020063 is a wasteful number, since it uses less digits than its factorization.

603631020063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403526.

The product of its (nonzero) digits is 11664, while the sum is 30.

Adding to 603631020063 its reverse (360020136306), we get a palindrome (963651156369).

The spelling of 603631020063 in words is "six hundred three billion, six hundred thirty-one million, twenty thousand, sixty-three".