63623138346 has 12 divisors (see below), whose sum is σ = 137850133122. Its totient is φ = 21207712776.

The previous prime is 63623138339. The next prime is 63623138387. The reversal of 63623138346 is 64383132636.

63623138346 is a `hidden beast` number, since 6 + 3 + 623 + 13 + 8 + 3 + 4 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 62908164225 + 714974121 = 250815^2 + 26739^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1767309381 + ... + 1767309416.

Almost surely, 2^63623138346 is an apocalyptic number.

63623138346 is an abundant number, since it is smaller than the sum of its proper divisors (74226994776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63623138346 is a wasteful number, since it uses less digits than its factorization.

63623138346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3534618805 (or 3534618802 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 45.

The spelling of 63623138346 in words is "sixty-three billion, six hundred twenty-three million, one hundred thirty-eight thousand, three hundred forty-six".