63704011623 has 32 divisors (see below), whose sum is σ = 102254592000. Its totient is φ = 34461840096.

The previous prime is 63704011601. The next prime is 63704011633. The reversal of 63704011623 is 32611040736.

It is not a de Polignac number, because 63704011623 - 2¹⁶ = 63703946087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63704011633) 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 31 ways as a sum of consecutive naturals, for example, 511678 + ... + 623876.

It is an arithmetic number, because the mean of its divisors is an integer number (3195456000).

Almost surely, 2^63704011623 is an apocalyptic number.

63704011623 is a deficient number, since it is larger than the sum of its proper divisors (38550580377).

63704011623 is a wasteful number, since it uses less digits than its factorization.

63704011623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113651.

The product of its (nonzero) digits is 18144, while the sum is 33.

The spelling of 63704011623 in words is "sixty-three billion, seven hundred four million, eleven thousand, six hundred twenty-three".